PPT-Physical Layer Propagation

Chapter 3 Updated January 2009 Raymond Pankos Business Data Networks and Telecommunications 7th edition May only be used by adopters of the book 3 2 31 Signal and Propagation A signal is a disturbance in the media that propagates travels down the transmission medium to the receiver. How to Date a Girl with Her Boyfriend on the Same Table. Zhu Han. Department of Electrical and Computer Engineering. University of Houston, Houston, TX, USA. Outline. Overview of Physical . Layer . S. . (6). . Propagation. Karl Davies. East Kent Radio Society EKRS. 1. Velocity of Propagation. Candidates should know the formula v = f x . l. .. Try to remember another triangle formula. . v is the speed of radio waves / light :- v = 300,000,000 m/s.. (Part 1). Computer Networks. Spring 20. 13. . Physical Layer Outline . (Part 1). Definitions. Nyquist. Theorem - noiseless. Shannon’s Result – with noise. Analog versus Digital . Amplifier versus Repeater. Programmable Optical Layer. Keren Bergman. Columbia University. Motivation. Today’s optical . WDM networks…deliver. Sufficient power margins for high physical-layer reliability,. “Error-free” (bit error ratios < 10. Sexual. Recombination of genetic materials to form a . unique . genetic individual. Asexual. Use of vegetative organs to create plantlets genetically . identical . to the parent plant. Asexual Propagation. An introduction to learning internal representations By error Propagation. Presented by:. Kunal Parmar. UHID: 1329834. 1. Outline of the Presentation. Introduction. Historical Background. Perceptron. Agenda. SRIO Overview. DirectIO Operation. Message Passing Operation. Other RapidIO Features. Summary. SRIO Overview. SRIO Overview. DirectIO Operation. Message Passing Operation. Other RapidIO Features. Ion Stoica. TAs: . Junda. Liu, DK Moon, David . Zats. http://inst.eecs.berkeley.edu/~ee122/. (. Materials with thanks to Vern . Paxson. , Jennifer Rexford,. and colleagues at UC Berkeley). 2. Overview. 2. OSI means Open System Interconnect model.. Developed by the International Organization for Standardization in 1974.. It consists of seven layers.. Each layer has a different but specific processing function.. CS 1202. Lectur3 part2. Transport Layer. The transport layer is responsible for process-to-process delivery of the entire message.. Makes sure that the data arrives without errors, in the proper sequence and in a reliable condition.. What Will we Learn from chapter 8?. Physical . layer protocols and services in supporting communication across data . networks. The role . of signals used to represent bits as a frame . transported . boris. . ginzburg@intel.com. Agenda. Introduction to gradient-based learning for Convolutional NN. Backpropagation. for basic layers. Softmax. Fully Connected layer. Pooling. ReLU. Convolutional layer. Prepared by :. Dr. Adel . Soudani. & Dr. . Mznah. Al-. Rodhaan. . Lecture 1. CSC- 329 Computer Network Physical Layer. 2-. 2. Outline. . 2. .1 Analog and Digital. 2. .2 . Transmission Media. mva@bu.edu. InfoEcon@twitter.com. Platform Ecosystems. : How Networks Invert the Firm. MIT Leading Disruption . Platforms are overtaking energy and banking. Source: Visualcapitalist.com, Bloomberg.