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Earned value analysis worked example
 
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Check out http://www.engineer4free.com for more free engineering tutorials and math lessons! Project Management Tutorial: Earned value analysis worked example. Please support my work: PATREON | https://www.patreon.com/Engineer4Free Every dollar is seriously appreciated and enables me to continue making more tutorials
Views: 160770 Engineer4Free
Computer Systems Analysis: Selection of Techniques & Metrics
 
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Criteria for Selecting an Evaluation Technique Three Rules of Validation Selecting Performance Metrics Commonly Used Performance Metrics Utility Classification of Metrics Setting Performance Requirements
Views: 435 Scholartica Channel
Automated Performance Analysis
 
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In this talk I will present two ongoing research projects: First, I will discuss a simple and scalable static analysis for resource bound and amortized complexity analysis. Our analysis is solely based on the abstract program model of lossy vector addition systems and does not require general purpose reasoners such as abstract interpreters, software model checkers or computer algebra tools. We experimentally demonstrate on a recent bound analysis benchmark that our analysis is nevertheless able to compute more loop bounds in less time than several state-of-the-art tools from the literature. Second, I will speak about feedback generation for performance problems in introductory programming assignments. Studying a large number of functionally correct student solutions we have observed only a small number of different algorithmic strategies, which, however, can be implemented in numerous different ways. I will present a light-weight programming language extension, that allows a teacher to specify these strategies, and a dynamic analysis, that allows to match the specifications of the teacher against student implementations.
Views: 119 Microsoft Research
ACCA P5 Mar/Jun 2017 Q1(i) Lecture (Performance Analysis)
 
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Download the slides used in this video here: https://www.dropbox.com/s/l8id0gdygg1wo8x/ACCA%20paper%20P5%20Question%201%20%28i%29.pptx?dl=0 Skip to 1:10 for question start Question 1 (ii) click here: https://youtu.be/OZEkdXBS8KA This a pilot test video to assist students in preparing for the ACCA P5 examination. If you like it or have any suggestions, please like and comment below! It highlights the 5 step approach to P-level ACCA questions. Please download the Question and answer paper from the links below: http://www.accaglobal.com/content/dam/acca/global/PDF-students/acca/p5/exampapers/p5-2017-june-q.pdf http://www.accaglobal.com/content/dam/acca/global/PDF-students/acca/p5/exampapers/MJ17_Hybrid_P5_Ans_Clean.pdf
Views: 3575 Brien's Accounting
High Performance Liquid Chromatography HPLC
 
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A chemistry education video from the Royal Society of Chemistry on High Performance Liquid Chromatography (HPLC) included on the "Modern Instrumental Techniques for schools and colleges" DVD. For more information on the Chemistry for our Future programme please visit http://www.rsc.org/CFOF (C) Royal Society of Chemistry
How To : Optimize Windows for better performance
 
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See more at : http://www.thewindowsclub.com/make-windows-startup-run-shutdown-faster Please skip Tags: backwater performance system, banks stinger system performance kit, classroom performance system, concorde performance system, fishman sa 330 x performance system, high performance system, kobe 8 system performance test, kryo sleep performance system, linux system performance, monitor system performance, national performance system, optimize system performance, p2181 cooling system performance, p2181 cooling system performance audi, performance evaluation system, performance exhaust system, performance exhaust system by magnaflow, performance governance system, performance management appraisal system, performance management system in hindi, performance management system introduction video, performance management system lecture, performance management system process, performance management system software, performance management system videos, power system performance, roland system 1 performance, roland system 8 performance, solar system performance, system performance, system performance analysis, system performance brendan gregg pdf, system performance check, system performance in windows 10, system performance index windows 10, system performance issues, system performance management, system performance measures, system performance on windows 10, system performance rating, system performance rating windows 10, system performance score windows 10, system performance standards, system performance test, system performance test windows 10, system performance tuning, system performance tuning 2nd edition, system performance tuning in linux, system performance ubuntu, system performance widget windows 10, system performance windows 10, system performance windows 7, windows 10 system performance rating 4 ways to improve system performance 5 point system performance appraisal 5 tier performance system 56 2 cmp system performance 56-3 cmp system performance 9100 system high performance epoxy a level performance system a pay for performance system a system of performance measures a/c system performance test amd overdrive system performance number audio system high performance audio system high performance volvo b one performance system b&b lighting system performance banks powerpack system performance kit battlefield 4 system performance test battlefield 4 system performance test ps4 boost system performance xp bosch ebike-system performance line c system call performance check system performance for games checking system performance windows xp coefficient of system performance control of system performance cooling system performance p2181 cooling system performance volkswagen cpac system performance report 2015 declaration of performance system 3 declaration of performance system 4 definition of a performance system definition of system performance dickies performance system jacket disney infinity system performance xbox one e performance system fabtech 6'' performance system lift fallout 4 system performance file system performance number of files flash system 900 performance flashsystem 840 performance gta 5 pc system performance gta 5 system performance health care system performance how to improve a system performance hvac system performance qualification i/o system performance ibm system 360 performance ibm system z performance information system key performance indicators kobe 8 system performance test komplete audio 6 system performance test linux on system z performance logic x system performance logic x system performance window mac os x system performance test measure of system performance in a queuing analysis miui 6 optimize system performance modeling trading system performance pdf monitoring system performance quizlet msxml vs system.xml performance os x file system performance os x system performance monitor os x system performance test p2181 cooling system performance jetta performance system 1992 performance system higher education performance system inc hawaii power 8 balanced system performance profile system performance nt service wdiservicehost proteus master performance system 9031 proteus performance system keyboard ranking health system performance 2010 reductant system performance bank 1 rhel6 file system performance roland system 1 performance sap system performance kpi student performance system hisd system 3 performance consulting system 6 performance sales system administrator key performance indicators system analyst key performance indicators system c performance modeling system center 2012 performance monitoring system currenttimemillis java performance system for performance evaluation system for performance management system for performance monitoring system for performance test of system gaming performance test system hardware performance test
Views: 315 FREE LEARNING
Kernel Recipes 2017 - Performance Analysis with BPF - Brendan Gregg
 
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The in-kernel Berkeley Packet Filter (BPF) has been enhanced in recent kernels to do much more than just filtering packets. It can now run user-defined programs on events, such as on tracepoints, kprobes, uprobes, and perf_events, allowing advanced performance analysis tools to be created. These can be used in production as the BPF virtual machine is sandboxed and will reject unsafe code, and are already in use at Netflix. Beginning with the bpf() syscall in 3.18, enhancements have been added in many kernel versions since, with major features for BPF analysis landing in Linux 4.1, 4.4, 4.7, and 4.9. Specific capabilities these provide include custom in-kernel summaries of metrics, custom latency measurements, and frequency counting kernel and user stack traces on events. One interesting case involves saving stack traces on wake up events, and associating them with the blocked stack trace: so that we can see the blocking stack trace and the waker together, merged in kernel by a BPF program (that particular example is in the kernel as samples/bpf/offwaketime). This talk will discuss the new BPF capabilities for performance analysis and debugging, and demonstrate the new open source tools that have been developed to use it, many of which are in the Linux Foundation iovisor bcc (BPF Compiler Collection) project. These include tools to analyze the CPU scheduler, TCP performance, file system performance, block I/O, and more. Brendan Gregg, Netflix
Views: 1490 hupstream
Design and Control Performance Analysis of 100 KW Grid Connected PV Systems with storage
 
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We are providing a Final year IEEE project solution & Implementation with in short time. If anyone need a Details Please Contact us Mail: [email protected] Phone: 09842339884, 09688177392 Watch this also: https://www.youtube.com/channel/UCDv0caOoT8VJjnrb4WC22awEngineering Project Consultancy, IEEE Projects for M.Tech, IEEE Projects for BE,IEEE Software Projects, IEEE Projects in Bangalore, IEEE Projects Diploma, IEEE Embedded Projects, IEEE NS2 Projects, IEEE Cloud Computing Projects, Image Processing Projects, Project Consultants in Bangalore, Project Management Consultants, Electrical Consultants, Project Report Consultants, Project Consultants For Electronics, College Project Consultants, Project Consultants For MCA, Education Consultants For PHD, Microsoft Project Consultants, Project Consultants For M Phil, Consultants Renewable Energy Project, Engineering Project Consultants, Project Consultants For M.Tech, BE Project Education Consultants, Engineering Consultants, Mechanical Engineering Project Consultants, Computer Software Project Management Consultants, Project Consultants For Electrical, Project Report Science, Project Consultants For Computer, ME Project Education Consultants, Computer Programming Consultants, Project Consultants For Bsc, Computer Consultants, Mechanical Consultants, BCA live projects institutes in Bangalore, B.Tech live projects institutes in Bangalore,MCA Live Final Year Projects Institutes in Bangalore,M.Tech Final Year Projects Institutes in Bangalore,B.E Final Year Projects Institutes in Bangalore , M.E Final Year Projects Institutes in Bangalore,Live Projects,Academic Projects, IEEE Projects, Final year Diploma, B.E, M.Tech,M.S BCA, MCA Do it yourself projects, project assistance with project report and PPT, Real time projects, Academic project guidance Bengaluru,projects at Bangalore, Bangalore at projects,Vlsi projects at Bangalore, Matlab projects at Bangalore, power electronics projects at Bangalore,ns2 projects at Bangalore,ns3 project at Bangalore, Engineering Project Consultants bangalore, Engineering projects jobs Bangalore, Academic Project Guidance for Electronics, Free Synopsis, Latest project synopsiss ,recent ieee projects ,recent engineering projects ,innovative projects. ieee matlab ac to dc projects,ieee matlab dc to dc projects,ieee matlab pid projects,ieee matlab PI projects,ieee matlab fuzzy controller projects,ieee matlab ANFIS projects,ieee fuzzy logic projects,ieee projects converters projects,ieee projects inverter projects,ieee matlab sepic converter projects,ieee matlab buck converter projects,ieee matlab cuk converter,ieee matlab fuzzy logic projects,ieee matlab multilevel converter projects,ieee matlab 14 bus projects,ieee matlab genetic algorithm projects,ieee matlab 7 bus projects,ieee matlab nine bus projects,ieee matlab switching capacitor projects,ieee matlab renewable energy projects,ieee matlab grid based projects,ieee matlab smart grid projects, ieee matlab inverter projects,ieee matlab cascaded projects,ieee matlab recent projects||Feedforward decouple; maximum power point tracker; non-linear load; photovoltaic generation model; voltage source inverter||Modeling. simulation and performance analysis of a grid-tied voltage source inverter based photovoltaic system under balanced and non-linear load conditions||
Performance analysis & tuning of Red Hat Enterprise Linux - 2015 Red Hat Summit
 
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Jeremy Eder — Principal Software Engineer, Red Hat D. John Shakshober — Red Hat, Inc. Larry Woodman — Red Hat In this 2-hour session, we’ll explore how to configure and tune Red Hat Enterprise Linux for optimal performance while running a variety of common applications. You’ll learn how to: -Analyze the performance of heavily loaded systems. -Tune the systems to maximize performance on bare-metal x86 systems. -Tune both Linux containers and clouds virtualized with Kernel-based Virtual Machines (KVM). In the first hour, we’ll look at the Linux virtual memory system and how to tune for non-uniform memory (NUMA). We’ll share tools like "numastat," "tuned," and techniques that are used to identify and resolve performance issues in a number of combined systems and applications, such as database servers, Internet servers, financial applications, bare metal, and Linux containers. We’ll go on to discuss performance as it relates to disk and network IO. We’ll show you examples that illustrate the latest performance analysis tools and techniques like using "perf", "tuna", and "performance copilot" to identify any bottlenecks that are impacting system and application performance.
Views: 12366 Red Hat Summit
L41 : Probability of Error | Performance Analysis of Digital Communication Systems Part2 [In Hindi]
 
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Hi guys in this Lecture Concept Probability of Error are explained along with it's mathematical Modelling. After this Lecture you will be able to determine SNR of Error Probability. If you find it's useful don't forget to subscribe my channel also like it, Comment it and share it with your friends. Thanking You. Knowledge in Depth : https://youtube.com/c/KnowledgeinDepth Principles of Communication/Analog & Digital Communication : https://www.youtube.com/playlist?list=PLHDdxli24zbgc8blbggBb4L2mBBPeDFg5 Digital Communication : https://www.youtube.com/playlist?list=PLHDdxli24zbjmNqk6AQj9wgat5o_dshSI Digital Logic Design : https://www.youtube.com/playlist?list=PLHDdxli24zbhueUQvDAx1HOdYRJ7WCZfp&disable_polymer=true Tutorials on POC/ADC : https://www.youtube.com/playlist?list=PLHDdxli24zbgeumbzLMNU83B5tRPFvBzh Digital Signal Processing : https://www.youtube.com/playlist?list=PLHDdxli24zbhaoZ17oHf8X0dPF98ZPIK_ GATE EC Previous Years Papers : https://www.youtube.com/playlist?list=PLHDdxli24zbhJlAq9eQ31Pu2_qAx1Iry6&disable_polymer=true Engineering Maths : https://www.youtube.com/playlist?list=PLHDdxli24zbhauJ6JpzJ6soo6mCrYL1C- My Website: http://knowledgeindepth.com Blogs Website: http://blogs.knowledgeindepth.com Online School : https://www.youtube.com/c/OnlineSchoolbyasha Amazon deal : https://amzn.to/2kQIwXA #Probabilityoferror #DigitalCommunication #PerformanceAnalysis #PrinciplesofCommunication #CommunicationEngineering #Analog&DigitalCommunication
Views: 5354 Knowledge in Depth
How to Perform a SWOT Analysis
 
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SWOT simply stands for Strengths, Weaknesses, Opportunities, and Threats. The purpose of a SWOT analysis is to create a synthesized view of your current state. Watch our Virtual Strategist Whiteboard session to learn how you can perform and use a SWOT analysis for your organization. Subscribe to our channel here - https://www.youtube.com/channel/UCc5cYNhQ8oYNdjmXBy7Z-ug Download the Essentials Guide to Strategic Planning - https://onstrategyhq.com/product/essentials-guide-to-strategic-planning/ Follow us on Facebook - https://www.facebook.com/OnStrategyHQ/?fref=ts Connect with us on LinkedIn - https://www.linkedin.com/company/onstrategy Connect with Erica Olsen on LinkedIn - https://www.linkedin.com/in/ericajolsen
Views: 333905 virtualstrategist
Performance Reviews | Performance Evaluations & Appraisal
 
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Learn about Different Types of Employee Performance Evaluations How to Conduct an Employee Performance Review or Appraisal http://turnkeydoc.com/human-resources/performance-management/performance-reviews/ An employee performance appraisal, performance evaluation or performance review as it is sometimes called, is a review by a manager where the employee's work performance is evaluated and strengths and weaknesses are identified, so that the employee knows where improvement is needed. Employee performance Reviews, Appraisals and Evaluations are vital for communication. Over the years there have been some new types of performance reviews, performance evaluation, or performance appraisals that are being met with success in today's business world. These require that employee performance evaluations, performance reviews or performance appraisals be done not only for raises, promotions, or bonuses, but for an employee's growth and development. These include: Management by Objectives Review: This method, often called MBO, measures the employee's accomplishments against a clearly established set of objectives. If managers and employees begin the year by working together to list these objectives, the end-of-year performance appraisal, performance review, or performance evaluation can simply compare each goal with its final outcome. This method is simple, clear, and empowers employees in the goal setting process but it disregards non-goal-related success metrics. Ratings Scale is probably the most common review type. Using this method, a supervisor rates an employee on a numerical scale for a defined set of behaviors, traits, competencies, or completed projects. This method gains points for simplicity and functionality, but it only works well if both managers and employees share the same understanding of each point on the scale. The 360 Degree Feedback Review is a new kind of employee performance review, performance appraisal, or performance evaluation. It incorporates data from peers, supervisors and even outside parties like customers and suppliers. This broad feedback can provide a multi-dimensional picture of performance that can cancel the influence of bias. The goal is to paint an accurate picture of employee's strengths and weaknesses. Gathering feedback from multiple sources is a great way to ensure employees are rated fairly and accurately No matter which type of employee performance evaluation, performance review or performance appraisal is used, remember the goal is to foster communication between managers and employees. To make your employee performance reviews, performance appraisal, or performance evaluation as productive as possible, try the following steps • Be prepared • Lead with the positive • Don't be confrontational • Keep it Simple • Be consistent • Make it a two-way conversation • Address what's important to the employee • Discuss work/life balance • Be a good listener • Give Feedback Regularly To download the review templates mentioned in this video as well as a guide on how to conduct the actual employee performance review, performance evaluation or performance appraisal, visit us at www.turnkeydoc.com Subscribe to our youtube channel to sample our "how to" video library or visit us at www.turnkeydoc.com to download your free gift! http://youtu.be/KcGhX7Htk9U Google Plus: https://plus.google.com/u/0/b/107057463999675049074/107057463999675049074/about Facebook: https://www.facebook.com/pages/Turn-Key-Doc/298240720333688 Twitter: https://twitter.com/turnkeydoc/ Youtube Channel: https://www.youtube.com/channel/UC8LlHO8tJf-w-BmhdJobdCw Employee Performance Review Employee Performance Appraisal Employee Performance Evaluation Performance Review Performance Appraisal Performance Evaluation
Views: 131964 Turn Key Doc
Splunk@Murex  Developing Dashboard Analytics for Performance Testing and Development (R. Lynch)
 
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Performance analysis on financial software is massively complex and challenging. This is the story of how Murex started to use Splunk to help debug performance code issues. Before Splunk we had millions and millions of timings logs, the problem was displaying them quickly so they are usable for developers and testers. Up to this point, we were using a basic PDF report with graphs with static mathematics. However, when we were able to dynamically graph this data with Splunk the analysis became much quicker and easier. The turnaround time decreased for resolution for testing and development. In addition to this we developed multiple functions in the dashboard to enhance the usability. A developer could attach their environment to Splunk in 20 seconds for live monitoring, they could save a test as a URL to share with colleagues. A success stories is one of the world’s largest “Clearing House” that needed to do 60 position updates per second. https://www.youtube.com/watch?v=pJsTp7XlGGA [Dashboard for Developers+Testers 5 min] Murex/Robert Lynch won the “Splunk Ninja Revolution Award 2017” for the work done in this field. FYI 2016 winners [“Harvard Medical” “Yahoo”, “American express”
Views: 1514 Devoxx FR
ACCA P5 Mar/Jun 2017 Q1(ii) Lecture (Performance Analysis)
 
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Download the powerpoint slides used in the video here: https://www.dropbox.com/s/6aajyc0mkj5qsuc/ACCA%20paper%20P5%20Question%201%20%28ii%29.pptx?dl=0 Second video of my guidance on the P5 Mar / Jun 2017 paper. Skip to 1:30 for question start. Link to Question 1 (I) here: https://youtu.be/OqtsxINBcys Using a 5 step approach, I break down how to answer the assessment of KPI requirement. I will probably be moving to doing paper F5 question videos as some viewers have requested them and they seem to be more in demand. Please like, subscribe, and comment if you'd like to see any specific videos or content. Thanks, and good luck with the exams! Please download the Question and answer paper from the links below: http://www.accaglobal.com/content/dam/acca/global/PDF-students/acca/p5/exampapers/p5-2017-june-q.pdf http://www.accaglobal.com/content/dam/acca/global/PDF-students/acca/p5/exampapers/MJ17_Hybrid_P5_Ans_Clean.pdf
Views: 4233 Brien's Accounting
CSE 567-13-01A Course Overview: The Art of Computer Systems Performance Analysis
 
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Live Recording of the Class Lecture: CSE 567: Computer Systems Performance Analysis. Lecture 1. This lecture covers the following topics: Goal of This Course Text Book Objectives: What You Will Learn Basic Terms Main Parts of the Course Part II: Measurement Techniques and Tools Part III: Probability Theory and Statistics Part IV: Experimental Design and Analysis Part V: Simulation Part VI: Queueing Theory The Art of Performance Evaluation Possible Solutions Grading Prerequisites Prerequisite Tentative Schedule Projects Project Schedule Office Hours Frequently Asked Questions
Views: 4923 Raj Jain
Matlab Code for Performance Analysis (BER vs Eb/N0) of BPSK, QAM, M-PSK, M-QAM, D-PSK, D-QAM etc..
 
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In this video we look at the performance analysis of various digital modulation schemes namely M-PSK's , M-QAM's , DPSK and DQAM by plotting BER vs Eb/N0 in Matlab. Source Code : https://docs.google.com/document/d/1BLdUOy4O2OJNqJ9Fb9PUanJw96IQ39VSRiduFOkzhXs/edit?usp=sharing
Views: 19154 Nischay Malhan
Wireshark Tutorial for Beginners
 
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A Wireshark tutorial for beginners that shows users how to track network activity, view specific frame, tcp, ip and http information, view specific packets being sent and received on the network, view information within those packets and spot malicious or suspicious network behavior. For behind the scenes and exclusive content: https://www.instagram.com/ansonalex.c0m/ Published by Anson Alexander from http://AnsonAlex.com.
Views: 725241 Anson Alexander
The Elo Rating System for Chess and Beyond
 
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The Elo Rating system is a method to rate players in chess and other competitive games. A new player starts with a rating of 1000. This rating will go up if they win games, and go down if they lose games. Over time a player's rating becomes a true reflection of their ability - relative to the population. My video was mostly based on A Comprehensive Guide to Chess Ratings by Prof Mark E Glickman http://www.glicko.net/research/acjpaper.pdf Below are some of the things I wanted to talk about, but cut so the video wasn't too long! Some explanations of the Elo rating system say it is based on the normal distribution, which is not quite true. Elo's original idea did model each player's ability as a normal distribution. The difference between the two players strengths would then also be a normal distribution. However, the formula for a normal distribution is a bit messy so today it is preferred to model each player using an extreme value distribution. The difference between the two players strengths is then a logistic distribution. This has the property that if a player has a rating 400 points more than another player they are 10 times more likely to win, this makes the formula nicer to use. Practically, the difference between a logistic distribution and the normal distribution is small. Logistic distribution on Wikipedia https://en.wikipedia.org/wiki/Logistic_distribution?wprov=sfla1 We replace e with base 10, s=400, mu=R_A - R_B and x=0 in the cdf. For the update formula I say that your rating can increase or decrease by a maximum of 32 points, and I said there was no special reason for that. This value is called the K-factor, and the higher the K-factor the more weight you give to the players tournament performance (and so less weight to their pre-tournament performance). For high level chess tournaments they use a K-factor of 16 as it is believed their pre-tournament rating is about right, so their rating will not fluctuate as much. Some tournaments use different K-factors. In the original Elo system, draws are not included, instead they are considered to be equivalent to half a win and half a loss. The paper by Mark Glickman above contains a formula that includes draws. Similarly the paper contains a formula that includes the advantage to white. Another criticism of Elo is the reliability of the rating. The rating of an infrequent player is a less reliable measure of that player's strength, so to address this problem Mark Glickman devised Glicko and Glicko2. See descriptions of these methods at http://www.glicko.net/glicko.html On the plus side, the Elo system was leagues ahead of what it replaced, known as the Harkness system. I originally intended to explain the Harkness system as well, so here are the paragraphs I cut: "In the Harkness system an average was taken of everyone's rating, then at the end of the tournment if the percentage of games you won was 50% then your new rating was the average rating. If you did better or worse than 50% then 10 points was added or subtracted to the average rating for every percentage point above or below 50. This system was not the best and could produce some strange results. For example, it was possible for a player to lose every game and still gain points." This video was suggested by Outray Chess. The maths is a bit harder, but I liked the idea so I made a in-front-of-a-wall video.
Views: 135947 singingbanana
What is Logistics Management? Definition & Importance in Supply Chain | AIMS Lecture
 
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http://www.aims.education/study-online/what-is-logistics-management/ Lecture explains What is Logistics? and What is Logistics Management? Logistics in supply chain management is defined as “the art and science of obtaining, producing, and distributing material and product in the proper place and in proper quantities"
Views: 659757 AIMS Education - UK
Gas Chromatography | working principle and instrumentation lecture
 
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Gas chromatography lecture - This chromatography lecture explains about the instrumentation, principle of gas chromatography. Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture (the relative amounts of such components can also be determined). In some situations, GC may help in identifying a compound. In preparative chromatography, GC can be used to prepare pure compounds from a mixture. This lecture will explain the principle of gas chromatography and the instrumentation and uses of gas chromatography. In gas chromatography, the mobile phase (or "moving phase") is a carrier gas, usually an inert gas such as helium or an unreactive gas such as nitrogen. Helium remains the most commonly used carrier gas in about 90% of instruments although hydrogen is preferred for improved separations.The stationary phase is a microscopic layer of liquid or polymer on an inert solid support, inside a piece of glass or metal tubing called a column (an homage to the fractionating column used in distillation). The instrument used to perform gas chromatography is called a gas chromatograph (or "aerograph", "gas separator"). Gas chromatography is in principle similar to column chromatography (as well as other forms of chromatography, such as HPLC, TLC), but has several notable differences. First, the process of separating the compounds in a mixture is carried out between a liquid stationary phase and a gas mobile phase, whereas in column chromatography the stationary phase is a solid and the mobile phase is a liquid. (Hence the full name of the procedure is "Gas–liquid chromatography", referring to the mobile and stationary phases, respectively.) Second, the column through which the gas phase passes is located in an oven where the temperature of the gas can be controlled, whereas column chromatography (typically) has no such temperature control. Finally, the concentration of a compound in the gas phase is solely a function of the vapor pressure of the gas. Gas chromatography is also similar to fractional distillation, since both processes separate the components of a mixture primarily based on boiling point (or vapor pressure) differences. Gas chromatography is also sometimes known as vapor-phase chromatography (VPC), or gas–liquid partition chromatography (GLPC). These alternative names, as well as their respective abbreviations, are frequently used in scientific literature. Strictly speaking, GLPC is the most correct terminology, and is thus preferred by many authors. In most modern GC-MS systems, computer software is used to draw and integrate peaks, and match MS spectra to library spectra. Gas Chromatography is used extensively in forensic science. Article source: wikipedia I don't own this article written in the description. © goes to original content developers from Wikipedia. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching We are social. Find us on different sites here- Our Website – www.shomusbiology.com Facebook page- https://www.facebook.com/ShomusBiology/ Twitter - https://twitter.com/shomusbiology SlideShare- www.slideshare.net/shomusbiology Google plus- https://plus.google.com/113648584982732129198 LinkedIn - https://www.linkedin.com/in/suman-bhattacharjee-2a051661 Youtube- https://www.youtube.com/user/TheFunsuman Thank you for watching gas chromatography lecture
Views: 308646 Shomu's Biology
Analyzing and Solving Qt UI Performance on Embedded Hardware
 
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This demo was recorded at the Qt Developer Days in Berlin in 2013. When developing UIs for embedded devices, it is not uncommon to hit performance problems on target hardware -- whether the UI start-up takes too long, animation is slow, or the UI isn't responsive enough. The source of many embedded UI performance problems are system level problems coming from outside the UI layer. This presentation will provide practical help to developers on how to solve these common UI problems on target embedded hardware, looking at and demonstrating tools and techniques to analyse the problem (ranging from the humble printf, to more sophisticated trace tools). This guidance will be backed-up by examples of how the author has used these techniques to solve real-world Qt UI problems. Slides available at http://devdays.kdab.com/wp-content/uploads/2013/11/system-analysis-performance-problems-brumby.pdf Learn more about Sourcery Analyzer at http://www.mentor.com/sourceryanalyzer and the Nucleus Add-on for the Qt framework at http://www.mentor.com/embedded-software/nucleus/ui/qt
Views: 3314 Mentor Embedded
How to use PAL (Performance Analysis of Logs)
 
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How to use PAL, Microsoft's Performance Analysis of Logs tool. This highlights areas where performance (eg processor, io,memory) fails to meet a set of criteria defined by Microsoft.
Views: 23395 Dennis Wells
CEE Spring Distinguished lecture - Performance-Based Seismic Design of Tall Buildings - Jack Moehle
 
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Professor Moehle's current research interests include design and analysis of structural systems, with an emphasis on earthquake engineering, reinforced concrete construction, new and existing buildings and infrastructure, and development of professional design guidance.
Views: 10263 CITRIS
IBM SMF (System Management Facility) on z/OS, Part I - M83
 
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What is the SMF (Systems Management Facility) system of MVS and z/OS? We see that it collects information about system and job activity and performance. Information from the SMF datasets can be extracted and reports can be easily created. We see how to do all that. SMF has variable records of many types: Here is a list of the most common SMF record types: RMF records are in the range 70 through to 79. RMF's records are generally supplemented - for serious performance analysis - by Type 30 (subtypes 2 and 3) address space records. RACF type 80 records are written to record security issues, i.e. password violations, denied resource access attempts, etc. TopSecret, another security system, also writes type 80 records. ACF2 provides equivalent information in, by default, type 230 records but this SMF record type can be changed for each installed site. SMF type 89 records indicate software product usage and are used to calculate reduced sub-capacity software pricing. DB2 writes type 100, 101 and 102 records, depending on specific DB2 subsystem options. CICS writes type 110 records, depending on specific CICS options. Websphere MQ writes type 115 and 116 records, depending on specific Websphere MQ subsystem options. WebSphere Application Server for z/OS writes type 120. Version 7 introduced a new subtype to overcome shortcomings in the earlier subtype records. The new Version 7 120 Subtype 9 record provide a unified request-based view with lower overhead. You can find the JCL (Job control language) source code I use in this video in my github here: https://github.com/moshix/mvs To apply for a free MVS logon visit: moshix.duny.net with your browser and fill out a simple form. Find us at FB: www.fb.com/moshixchannel Find us at Discord: https://discord.gg/eyRjj4t
Views: 558 moshix
Big Data Systems Performance: The Little Shop of Horrors - Jens Dittrich
 
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PyData Berlin 2018 The confusion around terms such as like NoSQl, Big Data, Data Science, SQL, and Data Lakes often creates more fog than clarity. However, clarity about the underlying technologies is crucial to designing the best technical solution in any field relying on huge amounts of data including `data science' and machine learning. In this talk I will try to lift the fog. Slides: http://bigdata.uni-saarland.de/publications/Big Data Systems Performance - The Little Shop of Horrors.pdf --- www.pydata.org PyData is an educational program of NumFOCUS, a 501(c)3 non-profit organization in the United States. PyData provides a forum for the international community of users and developers of data analysis tools to share ideas and learn from each other. The global PyData network promotes discussion of best practices, new approaches, and emerging technologies for data management, processing, analytics, and visualization. PyData communities approach data science using many languages, including (but not limited to) Python, Julia, and R. PyData conferences aim to be accessible and community-driven, with novice to advanced level presentations. PyData tutorials and talks bring attendees the latest project features along with cutting-edge use cases.
Views: 708 PyData
Lecture 06: Bit Error Rate (BER) Performance
 
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Lecture Notes Link: www.iitk.ac.in\mwn\Wireless\Mooc_Wireless_06.pdf
Views: 38449 NOC15 July-Sep EC05
Performance Analysis with RETScreen
 
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The Clean Energy Solutions Center, in partnership with CanmetENERGY (government of Canada) hosted this webinar on the Performance Analysis Module of RETScreen Expert, a clean energy management software system for energy efficiency, renewable energy and cogeneration project feasibility analysis as well as ongoing energy performance analysis. http://www.retscreen.net
Beyoncé - Formation
 
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Grammy nominated best video of the year "Formation" from LEMONADE the Visual Album Available Now! iTunes: http://smarturl.it/LEMONADEitunes Amazon.com: http://smarturl.it/LEMONADEcd TIDAL: https://lemonade.tidal.com Follow Beyoncé Website: https://www.beyonce.com Facebook: https://www.facebook.com/beyonce Twitter: Follow Beyoncé Listen to Beyoncé iTunes: https://itunes.apple.com/us/artist/beyonc%C3%A9/id1419227 Spotify: https://open.spotify.com/artist/6vWDO969PvNqNYHIOW5v0m Instagram: https://www.instagram.com/beyonce
Views: 155731878 BeyoncéVEVO
PERT - Project Management||Program Evaluation Review Technique||Operations Research||by kauserwise
 
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To watch CPM : https://youtu.be/vUMGvpsb8dc To download Standard normal distribution table use this link. https://drive.google.com/open?id=0B3xKrGP2Ms6ZRFhyVHNxcXFZRXc Here is the video tutorial about PERT (Project Evaluation and Review Techniques) under Project management in Operations Research. In this video we have done one illustration problem on which how to (i) construct the Project network (ii) Find the expected duration and variance of each activity (iii) Find the critical path and expected project completion time (iv) what is the probability of completing the project on or before some weeks. for this information we have work out the problem in simple manner, hope this will help you to get the subject knowledge at the end. if you like this please like, comment, share and subscribe. Thanks and All the best. To watch more tutorials pls visit: www.youtube.com/c/kauserwise * Financial Accounts * Corporate accounts * Cost and Management accounts * Operations Research * Statistics ▓▓▓▓░░░░───CONTRIBUTION ───░░░▓▓▓▓ If you like this video and wish to support this kauserwise channel, please contribute via, * Paytm a/c : 6383617203 * Western Union / MoneyGram [ Name: Kauser, Country: India & Email: [email protected] ] [Every contribution is helpful] Thanks & All the Best!!! ───────────────────────────
Views: 925204 Kauser Wise
CMS Performance Analysis | WebsiteOptimization.Com
 
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Website Optimization 3134 SUNNYWOOD DR ANN ARBOR, MI 48103 Phone: (877) 748-3678 Fax: (734) 661-1331 http://www.websiteoptimization.com/ https://plus.google.com/108123505155721216764/ CMS Performance Analysis Drupal and Joomla Performance Analysis and Optimization Services from WebSiteOptimization.com A content management system (CMS) lets you edit, publish, and manage a website in a consistent way. Using a back-end database with front-end templates, a CMS flows content from the database into templates to create static or dynamic web pages. CMS-based websites allow more output options than static sites (RSS feeds, PDF file creation), easier site-wide updates and maintenance, and better scaling for larger sites. Unfortunately, as a website grows in complexity, content management systems can cause performance problems of their own with slow response times. Common Problems Companies finance complex CMS and database delivery systems only to find they are not up to the task. Slow response times frustrate users, increase bail-out rates, and ultimately decrease profits. Even Google PPC campaigns can suffer because of lower quality scores due to slow-loading landing pages. Some of the common problems we find with CMS-based website include lack of effective caching, inefficient MySQL queries, poor template configuration, and outdated software. The Solution: CMS Performance Analysis and Optimization Have the Speed Optimization experts at Web Site Optimization analyze your CMS-based web site for maximum speed. We'll show you where the performance bottlenecks are, and how to fix them. After you (or we) implement our suggestions your CMS-based web pages will display faster to maximize user satisfaction and minimize bandwidth costs. Website Optimization 3134 SUNNYWOOD DR ANN ARBOR, MI 48103 Phone: (877) 748-3678 Fax: (734) 661-1331 http://www.websiteoptimization.com/ https://plus.google.com/108123505155721216764/
Best Way to Answer Behavioral Interview Questions
 
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Watch Don answer sample Behavioral questions. Learn how to answer behavioral interview questions using the STAR Formula. Employers love asking behavioral questions during the interview process because this type of questioning will does a better job of revealing your core competencies and is a great indicator of how well you'll be able to perform this job. Behavioral questions can be answered using the STAR formula and in this video, we break down the STAR formula and show you how to use it to your advantage to you are prepared to answer any behavioral question that comes your way. How to Answer Behavioral Interview Questions Using the STAR Formula STAR stands for: Situation – Task – Action - Result 1. First, describe a work related Situation or Task that you needed to accomplish, and be concise. 2. Then describe the Action you took. Don’t tell them what you might do or would do, you need to tell them what you did. 3. Finally, describe what happened -- the result. What did you accomplish? What did you learn? How much time or money did you save? And most importantly does your result solve the problem you described in step 1. That’s the formula for answering any behavioral question. Behavioral or competency-based interviews are simply a set of questions that ask you to talk about examples from your past work experience to help an interviewer figure out your strengths. Behavioral interviewers will look for the three parts (Problem, Action, Results) of your answer and take notes about how you answered the question. In this free program you’ll learn how to improve your interview performance with my simple step-by-step formula for interview success. To get the list of behavioral questions this video mentions, you need to register for this free program here: http://www.jobinterviewtools.com/advantage/ To download the complete interview answer guide go to http://www.jobinterviewtools.com
Views: 1323914 Don Georgevich
How to Write a Business Plan in Hindi | Business Model Canvas | How to Make Successful Business Plan
 
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Being an entrepreneur, most people want to pitch your idea to investors. And you know what they’re going to ask for, your business plan. But most people don’t have enough knowledge about business plan creation so that they know what to include in a business plan. 👇 👇 👇 नेटवर्क मार्केटिंग में सर्वश्रेष्ठ कोर्स के बारे में पूरी जानकारी डाउनलोड करें: Hindi PDF : https://goo.gl/gzicfg English PDF: https://goo.gl/SRcNCZ 👇 👇 👇 पर्सनालिटी डिवेलप्मेंट के लिए सर्वश्रेष्ठ कोर्स के बारे में पूरी जानकारी डाउनलोड करें: English PDF : https://goo.gl/kfGews Hindi PDF : https://goo.gl/hYypvw अभी कॉल करे : 9990059930 Visit the Website : http://bangoninnetworkmarketing.com हिंदी में वेबसाइट देखे : http://hindi.bangoninnetworkmarketing.com Visit the Website : https://personalitydevelopmentcourse.com हिंदी में वेबसाइट देखे : http://hindi.personalitydevelopmentcourse.com #Trending About the Trainer : Master of Leadership Psychology, Pushkar Raj Thakur is the one of most Influential Motivational Speaker & Personality Development Coach in India. Inspiring millions of people, he is regarded as the Youth Icon and the Change Expert. He has been featured into several publications such as The Times of India, Hindustan Times etc. He trains on Success Mindset, Influencing People, Network Marketing, Leadership, Sales, Performance Acceleration, Wealth Creation and Life Mastery. He is the Creator of his trademark Courses, “The Last Course for Your Best life”, “Bang On in Network Marketing”, “The Design of My Life” & “Performance Acceleration System”. He is a Serial Entrepreneur and Founder of PRT Global Solutions, which is committed to inculcate Leadership and Entrepreneurship among people and inspire them to GoSelfMade. People love Pushkar Raj Thakur for his Electrifying Motivation and Life Transforming Wisdom. He is Humorous and yet Thought Provoking Master of Motivation, a deadly combination in a Motivational Speaker! Caution : Getting into his Courses Immediately Leads to Change in Mental Framework and Chances for Success in any area of Life! Ask any question you have in comments below or email: [email protected] Follow us on: Facebook: https://www.facebook.com/PushkarRajThakurOfficial Instagram : https://www.instagram.com/pushkarrajthakur Twitter: https://twitter.com/PushkarRThakur LinkedIn : https://www.linkedin.com/in/pushkar-raj-thakur-624ba67a/ http://www.thakurpushkarraj.com/ #GoSelfMade To Join the Course, Call @ 9990059930
Module 1: What is Supply Chain Management? (ASU-WPC-SCM) - ASU's W. P. Carey School
 
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Part 1 of 12 - This module introduces viewers to the field of supply chain management. It describes the complex supply chain of a simple product, a bottle of water. The video also illustrates the importance of supply chain managers and their skill sets in our modern global economy for both manufacturing and service industries. In defining supply chain management, the video also hopes to educate and inspire business students, young and old, about the opportunities available to those with supply chain management degrees. This is the first installment in Arizona State University's twelve-part introduction to supply chain management video series. ASU, the W. P. Carey School of Business, and the Supply Chain Management Department are proud and happy to share this video series with supply chain management departments, supply chain instructors, career specialists in high schools and universities, as well as industry leaders in an effort to inspire a new generation of supply chain management professionals across the country and around the world. Further installments in this series will be made available during the spring of 2010. For more information, visit W. P. Carey's SCM Web site at http://wpcarey.asu.edu/scm or send an e-mail to [email protected]
Best Price Action Trading Strategy That Will Change The Way You Trade
 
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This price action trading strategy will change the way you trade. Price action trading strategies rely on what the charts are actually telling you and do not rely on indicators or algorithms as price action relies on exactly what the market is actually telling you and what buyers and sellers are actually doing. The price action trading strategy we use in this video uses momentum loss to gauge reversals. Mastering price action trading strategies is the fastest and most effective way to become a profitable and successful forex trader. ______________________________________________________ 5 KEYS THAT WILL INSTANTLY IMPROVE YOUR TRADING PERFORMANCE [FREE COURSE]: http://www.wysetrade.com Instagram - https://www.instagram.com/wysetrade Facebook - https://www.facebook.com/wysetradeteam ______________________________________________________ Subscribe: https://www.youtube.com/channel/UC32oVb-nfyRBNlWzUw3dC5Q?sub_confirmation=1 Share: https://youtu.be/asDBegQaupM Contact: [email protected] Wysetrade Head Office: 55 Village Centre Pl #200 Mississauga, ON L4Z 1V9
Views: 661132 Wysetrade
Linux Systems Performance
 
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2016: An important new tool for Linux systems performance is BPF: http://www.brendangregg.com/blog/2016-10-27/dtrace-for-linux-2016.html Brendan Gregg speaks at SCaLE 11x. Slides here: http://joyent.com/blog/linux-performance-analysis-and-tools-brendan-gregg-s-talk-at-scale-11x Book: http://dtrace.org/blogs/brendan/2013/06/21/systems-performance-enterprise-and-the-cloud/ http://www.brendangregg.com/ The talk is about Linux Performance Analysis and Tools: specifically, observability tools and the methodologies to use them. Brendan gave a quick tour of over 20 Linux performance analysis tools, including advanced perf and DTrace for Linux, showing the reasons for using them. He also covered key methodologies, including a summary of the USE Method, to demonstrate best practices in using them effectively. There are many areas of the system that people don't know to check, which are worthwhile to at least know about, especially for serious performance issues where you don't want to leave any stone unturned. These methodologies -- and exposure to the toolset -- will help you understand why and how to do this. Brendan also introduced a few new of these key performance tuning tools during his presentation. More Brendan here: http://dtrace.org/blogs/brendan/
Views: 29275 Deirdré Straughan
Swing&See Golf Swing Analysis System
 
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Swing&See is a video-based golf swing analysis system developed by R&D Vision of France on behalf of V2S (Video Sport Systems) of France. The system uses two synchronized AVT digital cameras to record the swing of recreational golf players from two vantage points at 200 images per second. A special software provides training tools to analyse mistakes, track progress and compare to professional golfers. More on: http://www.alliedvisiontec.com/fileadmin/files/pdf/downloads/Best_Practice/AVT_Best_Practice_Swing_See_EN.pdf
Views: 2311 AlliedVisionTV
Class 12 Boards : Increase 4-5% : Play This Game In Last 15 Days
 
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Part-2 : Live stream continued : https://www.youtube.com/watch?v=X9tV0oSkzxs&t=5s Instagram Handle :https://www.instagram.com/dhattarwalaman/ Facebook Page : https://www.facebook.com/dhattarwalaman/ Twitter : https://twitter.com/AmanDhattarwal Link to my MOM's cooking channel : https://www.youtube.com/channel/UCzVBRCN56Tq9v2Eo53vuELA Link to my new channel : https://www.youtube.com/channel/UCF7BExjT2zH_mmyqOB139Dg Link to college review video playlist : https://www.youtube.com/playlist?list=PL1K8nuzEDP6d-QO6tmEM4yn8af7LODgbH Link to Chemistry Notes Playlist : https://www.youtube.com/playlist?list=PL1K8nuzEDP6eYDl1EGcNQQgQ5XE15sung Link to Computer Science Notes : https://dhattarwalaman97.wixsite.com/mysite/computer-science-notes Link to Physics Notes Playlist : https://www.youtube.com/playlist?list=PL1K8nuzEDP6dyT9wfNg3LtrNXFd2hCCGM How to prepare for Class 12 English : https://www.youtube.com/watch?v=zEDADRiK-YU&index=3&list=PL1K8nuzEDP6cHtVkuLW30vKpm2N1kCro5
Views: 115499 Aman Dhattarwal
How to Write a Critique Essay (An Evaluation Essay_
 
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Defines the five common parts of a critique essay and provides a formula for completing each part.
Views: 312969 David Taylor
Big Orange Bramble (BOB) App Presentations
 
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Big Orange Bramble (BOB) – A 64-node Raspberry Pi 3 based Supercomputer Abstract: This project involved the design and construction of a high performance cluster composed of 64 quad-core ARMv8 64-bit Raspberry Pi 3s. The primary intent of the project was to establish the operating environment, communication structure, application frameworks, application development tools, and libraries necessary to support the effective operation of a high performance computer model for the students and faculty in the Electrical Engineering and Computer Science Department of the University of Tennessee to utilize. As a foundation, the system borrowed heavily from the Tiny Titan system constructed by the Oak Ridge National Laboratory, which was a similar but smaller-scale project consisting of 9 first generation Raspberry Pis. Beyond the primary target of delivering a functional system, efforts were focused on application development, performance benchmarking, and delivery of a comprehensive build/usage guide to aid those who wish to build upon the efforts of this project. The project report and how-to documentation for the system can be found here: Big Orange Bramble Project Report - \\samba.eecs.utk.edu\webhome\BOB_documentation (1).pdf BOB System - \\samba.eecs.utk.edu\webhome\BOB System.JPG , BOB Development Team - \\samba.eecs.utk.edu\webhome\BOB Development Team.JPG BOB HW/SW System Overview video – https://www.youtube.com/watch?v=l71lbh8Lz0U BOB HW/SW System Presentation Slides – \\samba.eecs.utk.edu\webhome\BOB_presentation_HW_SW_Env.pdf BOB Update Slides - \\samba.eecs.utk.edu\webhome\BOB_presentation_Update.pdf BOB Apps Analysis and Demonstrations (YouTube) – https://www.youtube.com/watch?v=gnGCjMEXjdo BOB Apps Analysis and Demonstration Presentation Slides – \\samba.eecs.utk.edu\webhome\BOB_presentation_Apps.pdf Daughter Card for Node Monitoring – \\samba.eecs.utk.edu\webhome\Daughter_Card.PDF
Views: 68 Mark Dean
Flex-a-lite 282 install 2003 chevy suburban Z71
 
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Complete installation process of a Flex-a-lite 282 on a 2003 Chevy Suburban Z71 and a 0-60mph performance analysis. I know the video is long but if you are considering getting one of these this video goes through the entire installation procedure. Official installation doc can be found here: http://www.flex-a-lite.com/pdf_instructions/282-99815.pdf
Views: 44670 TBKHomeworld
CSE567-13-12B: Summarizing Measured Data of Computer System Performance Evaluation
 
01:18:19
Second part of audio recording of a class lecture by Prof. Raj Jain on Summarizing Measured Data. The talk covers Part III: Probability Theory and Statistics, Basic Probability and Statistics Concepts, CDF, PDF, and PMF, Mean, Variance, CoV, Mean, Variance, CoV: Examples, Covariance and Correlation, Mean and Variance of Sums, Quantiles, Median, and Mode, Normal Distribution, Normal Quantiles, Why Normal?, Summarizing Data by a Single Number, Mean, Median, and Mode: Relationships, Selecting Mean, Median, and Mode, Indices of Central Tendencies: Examples, Common Misuses of Means, Geometric Mean, Geometric Mean: Example, Examples of Multiplicative Metrics, Geometric Mean of Ratios, Harmonic Mean, Weighted Harmonic Mean, Mean of A Ratio, Mean of a Ratio: Example, Mean of a Ratio: Special Cases, Program Optimizer Static Size Data, Summarizing Variability, Indices of Dispersion, Range, Variance, Percentiles, Quartiles, Semi Inter-Quartile Range, Mean Absolute Deviation, Comparison of Variation Measures, Measures of Variation: Example, Selecting the Index of Dispersion, Determining Distribution of Data, Quantile-Quantile plots, Quantile-Quantile Plots: Example, Interpretation of Quantile-Quantile Data
Views: 275 Raj Jain
BAGADUS - An Integrated System for Soccer Analysis
 
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Bagadus is a prototype of a soccer analysis application which integrates a sensor system, soccer analytics annotations and video processing of a video camera array. The prototype is currently installed at Alfheim Stadium in Norway, and in this video, we demonstrate how the system can follow and zoom in on particular player(s), and playout events from the games using the stitched panorama video and/or the camera switching mode. For more information, see for example: http://home.ifi.uio.no/paalh/publications/files/icdsc2012.pdf
Views: 4109 Pål Halvorsen
NMR spectroscopy
 
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NMR spectroscopy lecture by Suman Bhattacharjee - This lecture explains about the NMR spectroscopy basics. Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy, is a research technique that exploits the magnetic properties of certain atomic nuclei. It determines the physical and chemical properties of atoms or the molecules in which they are contained. It relies on the phenomenon of nuclear magnetic resonance and can provide detailed information about the structure, dynamics, reaction state, and chemical environment of molecules. The intramolecular magnetic field around an atom in a molecule changes the resonance frequency, thus giving access to details of the electronic structure of a molecule. Most frequently, NMR spectroscopy is used by chemists and biochemists to investigate the properties of organic molecules, although it is applicable to any kind of sample that contains nuclei possessing spin. Suitable samples range from small compounds analyzed with 1-dimensional proton or carbon-13 NMR spectroscopy to large proteins or nucleic acids using 3 or 4-dimensional techniques. The impact of NMR spectroscopy on the sciences has been substantial because of the range of information and the diversity of samples, including solutions and solids. NMR spectra are unique, well-resolved, analytically tractable and often highly predictable for small molecules. Thus, in organic chemistry practice, NMR analysis is used to confirm the identity of a substance. Different functional groups are obviously distinguishable, and identical functional groups with differing neighboring substituents still give distinguishable signals. NMR has largely replaced traditional wet chemistry tests such as color reagents for identification. A disadvantage is that a relatively large amount, 2–50 mg, of a purified substance is required, although it may be recovered. Preferably, the sample should be dissolved in a solvent, because NMR analysis of solids requires a dedicated MAS machine and may not give equally well-resolved spectra. The timescale of NMR is relatively long, and thus it is not suitable for observing fast phenomena, producing only an averaged spectrum. Although large amounts of impurities do show on an NMR spectrum, better methods exist for detecting impurities, as NMR is inherently not very sensitive. NMR spectrometers are relatively expensive; universities usually have them, but they are less common in private companies. Modern NMR spectrometers have a very strong, large and expensive liquid helium-cooled superconducting magnet, because resolution directly depends on magnetic field strength. Less expensive machines using permanent magnets and lower resolution are also available, which still give sufficient performance for certain application such as reaction monitoring and quick checking of samples. There are even benchtop NMR spectrometers. This important and well-established application of nuclear magnetic resonance will serve to illustrate some of the novel aspects of this method. To begin with, the nmr spectrometer must be tuned to a specific nucleus, in this case the proton. The actual procedure for obtaining the spectrum varies, but the simplest is referred to as the continuous wave (CW) method. A typical CW-spectrometer is shown in the following diagram. Article source - Wikipedia.org For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching We are social. Find us on different sites here- Our Website – www.shomusbiology.com Youtube- https://www.youtube.com/user/TheFunsuman Thank you for watching NMR spectroscopy lecture by Suman Bhattacharjee.
Views: 325219 Shomu's Biology
Design, Deployment and Performance of 4G LTE Networks A Practical Approach PDF
 
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Download : http://bit.do/ebooksrelease Design, Deployment and Performance of 4G-LTE Networks: A Practical ApproachAyman ElNashar (Author), Mohamed El-saidny (Author), Mahmoud Sherif (Author) Description This book provides an insight into the key practical aspects and best practice of 4G-LTE network design, performance, and deployment Design, Deployment and Performance of 4G-LTE Networks addresses the key practical aspects and best practice of 4G networks design, performance, and deployment. In addition, the book focuses on the end-to-end aspects of the LTE network architecture and different deployment scenarios of commercial LTE networks. It describes the air interface of LTE focusing on the access stratum protocol layers: PDCP, RLC, MAC, and Physical Layer. The air interface described in this book covers the concepts of LTE frame structure, downlink and uplink scheduling, and detailed illustrations of the data flow across the protocol layers. It describes the details of the optimization process including performance measurements and troubleshooting mechanisms in addition to demonstrating common issues and case studies based on actual field results. The book provides detailed performance analysis of key features/enhancements such as C-DRX for Smartphones battery saving, CSFB solution to support voice calls with LTE, and MIMO techniques. The book presents analysis of LTE coverage and link budgets alongside a detailed comparative analysis with HSPA+. Practical link budget examples are provided for data and VoLTE scenarios. Furthermore, the reader is provided with a detailed explanation of capacity dimensioning of the LTE systems. The LTE capacity analysis in this book is presented in a comparative manner with reference to the HSPA+ network to benchmark the LTE network capacity. The book describes the voice options for LTE including VoIP protocol stack, IMS Single Radio Voice Call Continuity (SRVCC). In addition, key VoLTE features are presented: Semi-persistent scheduling (SPS), TTI bundling, Quality of Service (QoS), VoIP with C-DRX, Robust Header Compression (RoHC), and VoLTE Vocoders and De-Jitter buffer. The book describes several LTE and LTE-A advanced features in the evolution from Release 8 to 10 including SON, eICIC, CA, CoMP, HetNet, Enhanced MIMO, Relays, and LBS.
Stochastic geometric analysis of massive MIMO networks
 
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WNCG Prof. Robert Heath presents. Abstract: Cellular communication systems have proven to be a fertile ground for the application of stochastic geometry. This talk considers performance analysis in cellular systems that employ what is known as massive multiple-input multiple-out (MIMO) communication. With massive MIMO, each base station exploits a large number of antennas and uses them to serve tens of users. Massive MIMO is being studied extensively as part of fifth generation cellular networks. This presentation applies stochastic geometry to analyze the system performance of massive MIMO networks in two different configurations: uplink (users talk to base stations) and downlink (base stations talk to users). In the uplink analysis, an exclusion ball model is proposed to incorporate the correlations between the locations of the scheduled users, and is shown to match the real user process with negligible error. Further, simple expressions for the distributions of the uplink signal-to-interference ratio (SIR) and rate are derived, and reveal the scaling law that to maintain the same aggregate uplink SINR distribution in the cell, the number of antennas should scale superlinearly with the number of scheduled users per cell, as a function of the path loss exponent. For the downlink, the asymptotic SINR and rate performance is investigated, when the number of antennas goes to infinity. The analysis shows that the downlink SIR coverage increases with larger path loss exponent. The results confirm the high cell throughput of massive MIMO systems in large-scale networks.
Air Pollution Monitoring System using LabVIEW
 
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