پاورپوینت انگلیسی wireless network security

عنوان فارسی مقاله: امنیت شبکه های بی سیم

عنوان انگلیسی مقاله:

Wireless Network Security

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پاورپوینت انگلیسی bayesian network

عنوان فارسی مقاله: شبکه های بیزی

عنوان انگلیسی مقاله:

Bayesian Networks

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بخشی از مقاله

Probabilistic Inference

Graphical Models provide a compact way to represent complex joint distributions
Q: Given a joint distribution, what can we do with it?
A: Main use = Probabilistic Inference
Estimate unknown variables from known ones

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کلمات کلیدی: 

Bayes Nets - Tutorial on Bayesian Networks with Neticahttps://www.norsys.com/tutorials/netica/secA/tut_A1.htmIn this section we learned that a Bayesian network is a model, one that represents the possible states of a world. We also learned that a Bayes net possesses ...Bayesian Networks - YouTubeVideo for Bayesian Networks▶ 39:57https://www.youtube.com/watch?v=TuGDMj43ehwMar 25, 2015 - Uploaded by Bert HuangCS5804 Virginia Tech Introduction to Artificial Intelligence.Introduction to Bayesian networks - Bayes Serverhttps://www.bayesserver.com/docs/introduction/bayesian-networksBayesian networks are probabilistic because they are built from probability distributions and also use the laws of probability for prediction and anomaly detection ...Bayesian Networks: Exampleswww.bayesia.com/bayesian-networks-examplesBayesian Networks. A Non-Causal Bayesian Network Example. Figure 2.1 shows a simple Bayesian network, which consists of only two nodes and one link.[PDF]Introducing Bayesian Networks - School of Computer Science and ...www.csse.monash.edu.au/bai/book/BAI_Chapter2.pdfIn this chapter we will describe how Bayesian networks are put together (the ... A Bayesian network is a graphical structure that allows us to represent and ...[PDF]Bayesian networkscourses.cs.washington.edu/courses/cse515/09sp/slides/bnets.pdfBayesian networks. A simple, graphical notation for conditional independence assertions and hence for compact specification of full joint distributions. Syntax:.Graphical Models and Bayesian Networks - UBC Computer Sciencewww.cs.ubc.ca/~murphyk/Bayes/bnintro.htmlA Brief Introduction to Graphical Models and Bayesian Networks. By Kevin Murphy, 1998. "Graphical models are a marriage between probability theory and ...Searches related to Bayesian Networksbayesian network examplebayesian network example simplebayesian network tutorialbayesian network in artificial intelligence examplesbayesian network pdfbayesian network in artificial intelligence pdfbayesian networks for dummiesbayesian network inference

پاورپوینت انگلیسی learning bayesian network

عنوان فارسی مقاله: یادگیری در شبکه های بیزی

عنوان انگلیسی مقاله:

Learning In Bayesian Networks

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پاورپوینت انگلیسی بررسی ارتباط فیبر نوری

عنوان فارسی مقاله: ارتباط فیبر نوری

عنوان انگلیسی مقاله:

OPTICAL FIBER COMMUNICATION

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پاورپوینت انگلیسی optical fiber communication

عنوان فارسی مقاله: ارتباط فیبر نوری

عنوان انگلیسی مقاله:

OPTICAL FIBER COMMUNICATION

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پاورپوینت انگلیسی ارتباط فیبر نوری

عنوان فارسی مقاله: استفاده از تابع بسل برای طراحی و ارتباطات فیبر نوری

عنوان انگلیسی مقاله:

Use of Bessel Function in Designing Fiber for Fiber Optic Communication

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پاورپوینت انگلیسی modulaation

عنوان فارسی مقاله: مدولاسیون

عنوان انگلیسی مقاله:

MODULATION

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پاورپوینت انگلیسی pulse width modulation

عنوان فارسی مقاله: مدولاسیون عرض پالس

عنوان انگلیسی مقاله:

Pulse Width Modulation

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بخشی از مقاله

Advantages
Average value proportional to duty cycle, D
Low power used in transistors used to switch the signal
Fast switching possible due to MOSFETS and power transistors at speeds in excess of 100 kHz
Digital signal is resistant to noise
Less heat dissipated versus using resistors for intermediate voltage values

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کلمات کلیدی: 

What is a Pulse Width Modulation (PWM) Signal and What is it Used ...digital.ni.com › SupportJun 16, 2016 - I have heard that I may be able to use Pulse Width Modulation for my application. What is a pulse width modulation (PWM) signal and what is it ...Introduction to Pulse Width Modulation | Embeddedwww.embedded.com › Insights › Beginner's CornerPulse width modulation (PWM) is a powerful technique for controlling analog circuits with a microprocessor's digital outputs. PWM is employed in a wide variety ...Pulse Width Modulation | DC Motor Drives | Electronics Textbookhttps://www.allaboutcircuits.com › ... › Vol. III - Semiconductors › DC Motor DrivesPulse Width Modulation (PWM) uses digital signals to control power applications, as well as being fairly easy to convert back to analog with a minimum of ...Pulse Width Modulation Used for Motor Control - Electronics Tutorialswww.electronics-tutorials.ws › Miscellaneous CircuitsBut before we start looking at the in's and out's of pulse width modulation we need to understand a little more about how a DC motor works. Next to stepper ...[PDF]Pulse-width modulation - MIT Fab Labfab.cba.mit.edu/classes/961.04/topics/pwm.pdfPWM amplifiers run cooler than standard linear power amps, requiring substantially less heat sink mass. At about 90% efficiency, PWM makes electromagnetic ...[PDF]How Pulse Width Modulation workswww.ee.teihal.gr/labs/electronics/web/.../What_is_PWM_and_why_is_it_useful.pdfBy varying - or 'modulating' - the time that the output is at 12v (i.e. the width of the positive pulse) we can alter the average voltage. So we are doing 'pulse width.What is PWM? Pulse Width Modulation tutorial! - YouTubeVideo for Pulse Width Modulation▶ 3:07https://www.youtube.com/watch?v=YmPziPfaBywNov 15, 2008 - Uploaded by AfrotechmodsI cover the basics of PWM and show you how to cheaply build a PWM circuit that can dim LEDs, control the ...Searches related to Pulse Width Modulationpulse width modulation arduinopulse width modulation theorypulse width modulation circuitpulse width modulation tutorialpulse position modulationpulse width modulation pdfpulse width modulation inverterpulse width formula

پاورپوینت انگلیسی مسیریابی wsn

عنوان فارسی مقاله: مسیریابی فنون شبکه حسگر بی سیم: بررسی

عنوان انگلیسی مقاله:

ROUTING TECHNIQUES IN WIRELESS SENSOR NETWORKS: A SURVEY

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ROUTING TECHNIQUES IN WIRELESS SENSOR NETWORKS: A SURVEY

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پاورپوینت انگلیسی پروتکل مسیریابی در شبکه فرصت طلب

عنوان فارسی مقاله: پروتکل های مسیریابی در شبکه های فرصت طلب بدون زیر ساخت

عنوان انگلیسی مقاله:

Routing Protocols in Infrastructure-less Opportunistic Networks

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Routing Protocols in Infrastructure-less Opportunistic Networks

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بخشی از مقاله

OppNets Routing Protocols (Contd.)

Spray and wait [12]:

This protocol[12] is an extension to the epidemic routing protocol. 

It aims to reduce the overhead of flooding which often causes network congestions and indiscriminate usage of the network resources. 

One way of doing so is to only forward a copy with some probability. 

The probability is the utility of every node based on the timer indicating the time elapsed since the two nodes last encountered the node maintaining the record. These are indirectly the relative node locations

There are two phases in the forwarding process – 

Spray phase – Every message generated is spread randomly to L relay nodes i.e. L copies of message are created.

Wait phase – If the destination is not found in spray phase, the nodes then wait for direct transmission.

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Routing Protocols in Infrastructure-less Opportunistic Networks

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کلمات کلیدی: 

[PDF]Energy-based Performance Evaluation of Various Routing Protocols in ... isyou.info/jisis/vol3/no12/jisis-2013-vol3-no12-03.pdf by SK Dhurandher - ‎Cited by 12 - ‎Related articles Protocols in Infrastructure-less Opportunistic Networks ... Keywords: Opportunistic networks (Oppnets), Opportunistic routing, The ONE (Opportunistic Net-. An Energy-Efficient Routing Protocol for Infrastructure-Less ... https://www.researchgate.net/.../311895444_An_Energy-Efficient_Routing_Protocol_fo... An Energy-Efficient Routing Protocol for Infrastructure-Less Opportunistic Networks on ResearchGate, the professional network for scientists. [PDF]Research on Routing Protocols and Simulation Analysis for ... www.sersc.org/journals/IJMUE/vol10_no3_2015/18.pdf by W Wang - ‎2015 - ‎Related articles Traditional Multi-hop Wireless Networks, such as Mobile Ad Hoc. Network .... infrastructure or not dividing the opportunistic network routing protocol into two. Routing in Opportunistic Networks - Page 353 - Google Books Result https://books.google.com/books?isbn=1461435145 Isaac Zhang, ‎Sanjay Kumar Dhurandher, ‎Alagan Anpalagan - 2013 - ‎Technology & Engineering Chapter 13 Routing Protocols in Infrastructure-Less Opportunistic Networks Sanjay Kumar Dhurandher, Deepak Kumar Sharma, Isaac Woungang and Shruti ... GAER: genetic algorithm-based energy-efficient routing protocol for ... dl.acm.org/citation.cfm?id=2673640 by SK Dhurandher - ‎2014 - ‎Cited by 9 - ‎Related articles Sep 1, 2014 - In infrastructure-less opportunistic networks (Oppnets), the routing of messages is a challenging task since nodes are not aware of the network ...