MEDC – 301(A) Information Theory & Coding Unit 1 Introduction to uncertainty‚ information‚ entropy and its properties‚ entropy of binary memory less source and its extension to discrete memory less source‚ coding theorem‚ data compression‚ prefix coding‚ HUFFMAN coding‚ Lempel-Ziv Coding Unit 2 Discrete memory less channels‚ Binary symmetric channel‚ mutual information & its properties‚ channel capacity‚ channel coding theorem‚ and its application to BSC‚ Shannon’s theorem on channel capacity
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NT 1310 Physical Networking Unit 9 Assignment 1 : Transmitters. Exercise 1 : Light Sources and Companents LAB 1 : New Building – Optical – Network Amir R. Ghattas The differences between LED and Laser Transmitters LED LED (Light-Emitting Diode) is a two-lead semiconductor light source. It resembles a basic p-n junction diode (is a boundary or interface between two types of semiconductor material‚ p-type and n-type‚ inside a single crystal of semiconductor.‚ which emits light when activated.
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one single fiber‚ channel spacing is decreased from 200GHz to 50GHz or even smaller. The direct side-effect is that linear and nonlinear degrading effects will be severe in such high-speed lightwave systems. An optimal modulation format which is more tolerant to linear and nonlinear impairments is needed urgently. In this thesis‚ we will detail and compare
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Postganglionic Axon – Extends to the effector organ; nonmyelinated. 7. Acetylcholine (ACh) – All somatic motor neurons release this at their synapses with skeletal muscle fibers.; effects always stimulatory; preganglionic fibers release this as well. 8. Nonepinephrine (NE) – Autonomic postganglionic fibers release this by sympathetic fibers. 9. Dual Innervation – While one division stimulates certain smooth muscles to contract or a gland to secrete‚ the other division inhibits that action; all visceral
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3. Should fiber optic horizontal cabling be installed but not terminated as future proofing for a future higher-speed network? What is the cost difference between copper UTP cable and fiber optic cable? Use this model to compute the relative cost—http://www.fols.org/cost_model. (10 points) Fiber optic cable is very expensive and is usually run on a WAN. If fiber optic cabling is already in use‚ I would leave the cable as it is‚ but if not‚ I wouldn’t recommend using it because fiber optic is very
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Max Haney NT1310 Physical Networking Unit 10 Assignments 11/18/2014 Physical Networking Unit 10 Assignments Unit 10 Assignment 1 Fiber-Optic Installation – Conduit is pipe. It can be metallic‚ nonmetallic‚ flexible‚ or rigid(depending upon local codes) and runs from a work area to a telecommunications room to the equipment room. One advantage of using conduit to hold the cables is that conduit may already exist in the building. A drawback to conduit is that it provides a finite amount of space
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the path between a transmitter and a receiver in a communications system. Guided Transmission media -some form of conductor that provide conduit in which signals are contained -the conductor directs the signal examples: copper wire‚ optical fiber Unguided Transmission media -wireless systems – without physical conductor -signals are radiated through air or vacuum -direction – depends on which direction the signal is emitted examples: air‚ free space Cable transmission media -guided
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contains inorganic compounds. Paint tends to be inorganic in nature. The white‚ red‚ yellow pigments of paint is inorganic by nature. Organic compounds are based on carbon these are found only on living things. Inorganic is the opposite it doesnt come from living things its from synthetic fibers like polyester or nylon are carbon based but are not found in plants or animals. From a forensics science point of view both inorganic and organic compounds are very important when found in items of evidence
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Proteins provide our bodies with the amino acids that cannot be produced within the body. Through the process of digestion‚ food is broken down into essential amino acids that can be used for protein synthesis. In essence‚ proteins build up‚ maintain‚ and replace tissues in your body. For instance‚ proteins help make hemoglobin which carries oxygen to all the parts of your body. Proteins are broken down into amino acids during digestion. The amino acids can then be reused when the body needs protein
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Programme : BSC Business Computing Module Tutor Student Name Student Number Word Count Date : Current Trends in Networking : Adrian Pullin : Alexander Kamambulu Chiumia : STU 34249 : 3278 : 25th April‚ 2013 Abstract: In this paper I present different types of high speed internet access technologies currently available worldwide. I will brainstorm and critically analyse the available network technologies‚ and finally propose solutions for high speed internet connections for a business park on
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