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Note for Radar System - RS By JNTU Heroes

  • Radar System - RS
  • Note
  • Jawaharlal Nehru Technological University Anantapur (JNTU) College of Engineering (CEP), Pulivendula, Pulivendula, Andhra Pradesh, India - JNTUACEP
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SYLLABUS UNIT-I Introduction, Nature of RADAR, Maximum Unambiguous range, Radar Waveforms, Block schematics of pulse radar and Operation, simple form of radar equation, RADAR frequencies, Applications of RADARS. Prediction of Range Performance, Minimum Detectable Signal, Receiver Noise, Modified radar range equation, Illustrative problems. UNIT-II Radar Equation: SNR, Envelop Detector, False alarm time and Probability, Integration of Radar Pulses, Radar Cross Section of Targets (simple Targets-sphere, conesphere),Transmitter Power, PRF and Range Ambiguities, System Losses(qualitative treatment), Illustrative Problems . UNIT-III CW and Frequency Modulated Radar: Doppler Effect, CW Radar – Block Diagram, Isolation between Transmitter and Receiver, Non-zero IF Receiver, Receiver bandwidth requirements, Applications of CW radar, Illustrative Problems. UNIT-IV FM-CW Radar, Range and Doppler measurement, Block Diagram and Characteristics (Approaching/Receding targets), FM-CW Altimeter, Measurement errors, 2

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Multiple Frequency CW Radar. UNIT-V MTI and Pulse Doppler radar: Introduction, Principle, MTI Radar with - Power Amplifier Transmitter and Power Oscillator Transmitter, Delay Line Cancellers – Filter Characteristics, Blind Speeds, Double Cancellation, Staggered PRFs. Range Gated Doppler Filters. MTI Radar Parameters, Limitations to MTI Performance, Non-coherent MTI, MTI versus Pulse Doppler radar. UNIT-VI Tracking Radar: Tracking with Radar, Sequential Lobing, Conical Scan, Monopulse Radar – Amplitude Comparison and Phase Comparison Monopulse. Low angle tracking, tracking in range, acquisition, ComparisonofTrackers. UNIT-VII Detection of Radar Signals in Noise: Introduction, Matched filter receiverResponse Characteristics and Derivation, Correlation Function and Cross-Correlation receiver, Efficiency of Non-matched Filters, matched Filter with Non-white Noise. UNIT-VIII 3

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Radar Receivers: Noise Figure and Noise temperature, Displays-types, DuplexersBranch type and Balanced type, Circulators as Duplexers. Introduction to Phased Array Antennas-Basic Concepts, Radiation Pattern, Beam Steering and Beam Width Changes, Series versus Parallel Feeds, Applications, Advantages and Limitations. 4

Lecture Notes