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Synopsis : The topics covered in this course are Radio-Wave Propagation: Free-space propagation, effect of environment, types of propagation, common propagation problems. Antennas:Electromagnetic waves, antenna characteristics, types of simple antenna, antenna arrays, matching technique. Microwaves technique: Waveguides, passive components, microwave tubes, microwave antenna. Radar Systems: Pulse Radar, Doppler Radar. Satellite Communication Systems: History, Satellite orbits, look angles determination, Satellite system links, transponder, earth stations, Satellite frequency bands and bandwidth, Satellite in LOW and MEDIUM earth orbits, Applications: GPS. Optical Communication systems: Fiber-optic communication system, comparison between transmission lines, Optical fiber: total internal reflection (TIR), numerical aperture, modes and materials, dispersion, loses, Fiber-optic cables, splices and connectors, optical emitters: LED and Laser Diodes, optical detectors. | ||||||||||
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Radar: Introduction, Pulse Radar: waveform, range determination - PRT, PRF, Doppler Radar.
Introduction, Waveguides: types, modes, field patterns, cut-off frequency, group and phase velocity, impedance.
Microwaves tubes: Magnetron, klystron, TWT, Microwave antenna – Horn antenna, Parabolic Reflectors.
Introduction, history of Satellite communications, Satellite communication concept: system link and transponder.