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Radar & Navigational Aids (2181103)

Teaching Scheme (in Hours)

Theory Tutorial Practical Total
4 0 2 0

Subject Credit :  6

Examination Scheme (in marks)

Theory
ESE (E)
Theory
PA (M)
Practical
ESE Viva (V)
Practical
PA (I)
Total
70 30 30 20 150

Syllabus Content    Download

Unit-1:  Introduction

The simple form of Radar Equation, Radar Block diagram and Operation, Types of transmitters, duplexer and displays. Radar Frequencies, millimeter and submilimeter waves, Applications of Radar.

Unit-2:  Radar Equation

Prediction of Range Performance, Minimum Detectable Signal, Receiver Noise, Signal to Noise Ratio, Matched filter impulse response, Integration of radar Pulses, Radar Cross Section of Targets, Cross section Fluctuations, Radar Clutter-surface clutter, sea clutter and Land clutter ,weather clutter, Transmitter Power, Pulse Repetition Frequency and Range ambiguities, Antenna Parameters, system losses, propagation effects, other considerations.

Unit-3:  CW and FM CW Radar

Doppler effect. CW radar. FM CW radar. Airborne Doppler Navigation, Multiple CW radar

Unit-4:  MTI And Pulse Doppler Radar

Introduction, Delay line Cancellers, Multiple or staggered Pulse Repetition Frequencies, Range gated Doppler Filters, Block Diagram of Digital Signal Processor, Example of MTI radar Processor, , Pulse Doppler Radar, Non coherent MTI ,MTI from moving platform, Other types of MTI, Airborne radar.

Unit-5:  Tracking and Imaging Radar

Tracking with Radar ,Monopulse tracking,Conical scan and Sequential lobing, Low angle tracking ,Air surveillance radar, Introduction to Synthetic aperture radar(SAR).tracking in range and Doppler, Acquisition.

Unit-6:  Electronic Scanning Radar

Principle of phased array for electronic scanning, Advantages and capabilities of electronic scanning, block diagram of an electronic scanning system and its operation

Unit-7:  Navigation

Introduction, Four Methods of Navigation

Unit-8:  Radio Direction Findings

Loop Antenna, Loop input circuits, aural null direction finder, Goniometer, Errors in Direction Finding, Adcock Direction Finder, Its advantages over loop antenna,

Unit-9:  Radio Ranges

LF/MF Four course Radio Range, VHF Omni Directional Range, and VOR receiving Equipment

Unit-10:  Hyperbolic Systems of Navigation

LORAN, DECCA navigation system

Unit-11:  Aids to approach and Landing

Instrument Landing System, Ground controlled Approach System, Microwave landing system , Distance Measuring Equipment, TACAN Doppler navigation-Doppler Effect, New configuration, Doppler frequency equations, Track stabilization, Doppler

Unit-12:  Recent trends in Satellite Navigation :

GPS principle of operation, Position location determination, principle of GPS receiver and applications, Brief note on :Global Satellite Navigation system, Martitime Satellite ,Satellite Constellations ,Navigation Satellites of different countries such as Glonas and Compass, GAGAN,IRNSS, NAVIC Receiver and applications

Reference Books

Sr. Title Author Publication Amazon Link
1 Introduction to Radar Systems Skolnik, M Tata McGraw-Hill
2 Elements of Electronic Navigation Systems N.S.Nagaraja Tata McGraw-Hill
3 Radar Principles Peyton Z. Peebles JohnWiley
4 Principles of Radar J.C Toomay PHI, 2004

Subject List

BE (EC) ⇒ Semester: 8

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