JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Introduction: Radar Block Diagram, Radar Equation, Information Available from Radar Echo, Review of Radar Range Performance– General Radar Range Equation, Radar Detection with Noise Jamming, Beacon and Repeater Equations, Bistatic Radar. Matched Filter Receiver – Impulse Response, Frequency Response Characteristic and its Derivation, Matched Filter and Correlation Function, Correlation Detection and Cross-Correlation Receiver, Efficiency of Non-Matched Filters, Matched Filter for Non-White Noise.

UNIT - II

Detection of Radar Signals in Noise: Detection Criteria – Neyman-Pearson Observer, Likelihood- Ratio Receiver, Inverse Probability Receiver, Sequential Observer, Detectors – Envelope Detector, Logarithmic Detector, I/Q Detector. Automatic Detection - CFAR Receiver, Cell Averaging CFAR Receiver, CFAR Loss, CFAR Uses in Radar, Radar Signal Management – Schematics, Component Parts, Resources and Constraints.

UNIT - III

Waveform Selection: Radar Ambiguity Function and Ambiguity Diagram – Principles and Properties; Specific Cases – Ideal Case, Single Pulse of Sine Wave, Periodic Pulse Train, Single Linear FM Pulse, Noiselike Waveforms, Waveform Design Requirements, Optimum Waveforms for Detection in Clutter, Family of Radar Waveforms.

UNIT - IV

Pulse Compression in Radar Signals: Introduction, Significance, Types. Linear FM Pulse Compression – Block Diagram, Characteristics, Reduction of Time Sidelobes, Stretch Techniques, Generation and Decoding of FM Waveforms – Block Schematic and Characteristics of Passive System, Digital Compression, SAW Pulse Compression.

UNIT - V

Phase Coding Techniques: Principles, Binary Phase Coding, Barker Codes, Maximal Length Sequences (MLS/LRS/PN), Block Diagram of a Phase Coded CW Radar. Poly Phase Codes: Frank Codes, Costas Codes, Non-Linear FM Pulse Compression, Doppler Tolerant PC Waveforms – Short Pulse, Linear Period Modulation (LPM/HFM). Sidelobe Reduction for Phase Coded PC Signals.

TEXT BOOKS:

nd

• 1. M.I. Skolnik, “Radar Handbook”, 2 Edition, 1991, McGraw Hill.
• 2. Fred E. Nathanson, “Radar Design Principles: Signal Processing and The Environment”, 2nd Edition, 1999, PHI. rd
• 3. M.I. Skolnik, “Introduction to Radar Systems”, 3 Edition, 2001, TMH.

REFERENCE BOOKS:

• 1. Peyton Z. Peebles, Jr., “Radar Principles”, 2004, John Wiley.
• 2. R. Nitzberg, “Radar Signal Processing and Adaptive Systems”, 1999, Artech House.
• 3. F.E. Nathanson, “Radar Design Principles”, 1st Edition, 1969, McGraw Hill. M. TECH. – I YEAR – II SEMESTER MICROWAVE AND RADAR ENGINEERING