Radar and Antenna Engineering
Group A
Block diagram of pulse radar. Radar equation. Signal-to-noise ratio, probability density function and range, ambiguities, radar cross-section of target, target models, PRF, system losses.
CW and frequency-modulated radar doppler effect, CW radar, FMCW radar.
MTI and pulse doppler radar-delay line cancellers and characteristics, blind speeds, douplet cancellation. MTI radars with power amplifier and power oscillators, transmitters. MTI from moving platform, pulse Doppler radars.
Tracking radars. Tracking techniques-sequential lobing, conical scan monopulse. Tracking in range, acquisition. Tracking performance.
Electronic scanning radar system, beam forming and steering methods, fire controlled radar. SAR.
Radar transmitters, magnetron oscillators, hard tube and line-type pulser. Radar receivers, mixer amplifier, receiver noise, duplexers, displays, clutters, weather and interferences,. system engineering and design. Pulse compression radar.
Group B
Fundamentals of radiation mechanism, vector potentials, radiation from current elements, radiation pattern, superposition and reciprocity theorems.
Small antennas, Images, small antenna above ground, different types of linear arrays, multiplication of patterns, binomial arrays, antenna gain, effective area, antenna impedance, beam width, self and mutual impedance,
folded dipole, Yaginda antennas.
Mathematical theories of antennas, aperture antennas, slot antennas, cavity back slot antennas, horn antennas, waveguide radiator, parabolic reflectors, Cassegrain antennas.
Broad band antennas, microstrip antennas, noise
consideration, antenna measurements.
Recommended Books
1. M I Skolink. Introduction to Radar Systems. Tata McGraw-
Hill Publishing Co. Ltd., New Delhi.
2. D E C Jorden and K G Balmain. Electromagnetic Waves and
Radiating Systems. Premice-Hall of India (P) Ltd., New
Delhi.
3. D R E Collin. Antenna and Propagation. McGraw-Hili
International, Tokya.