Communication Systems

Communication Systems

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AntennasThe half-wave dipole. Antenna characteristics. Ground effects. Effects of Antenna height. Antenna coupling. Antenna arrays. Special purpose Antennas. UHF and microwave Antennas.Television PrinciplesTelevision system and standards. The composite video signal. Blanking and Synchronizing pulses. Monochrome Television transmission and reception. Horizontal and Vertical deflection circuits. Synchronizing circuits. Colour transmission. Colour reception. Cable TV. Digital TV, HDTV.Satellite CommunicationKepler s Laws. Satellite orbits, Spacing and frequency allocation. Look angles, Orbital perturbations and corrections. Satellite Launching. Spacecraft subsystems. Satellite system link models. Link equations, Multiple access, Direct broadcast satellite services. Applications of LEO, MEO and Geo-stationary satellites.Radar SystemsBasic Principles. Radar performance factors. MTI and Pulse Doppler radar. Continuous wave Doppler radar, Radar antenna. Phased array radars.The circuit diagram is given in the next section describing complete circuit diagram of typical B/W TV receivers. ... ded; cared 1Cs are developed for Remote Controls Basically electronic remote controls are of two types - i) Ultrasonic and ii ) Infrared. ... The remote control consists of a keypad, encoding circuit and transmitter.

Title:Communication Systems
Author:V.S.Bagad J.S.Chitode
Publisher:Technical Publications - 2007-01-01


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