EC2049 RADAR AND NAVIGATIONAL AIDS

EC2049 RADAR AND NAVIGATIONAL AIDS L T P C
3 0 0 3
UNIT I 9
Introduction to Radar
Basic Radar –The simple form of the Radar Equation- Radar Block Diagram- Radar
Frequencies –Applications of Radar – The Origins of Radar
The Radar Equation
Introduction- Detection of Signals in Noise- Receiver Noise and the Signal-to-Noise
Ratio-Probability Density Functions- Probabilities of Detection and False Alarm-
Integration of Radar Pulses- Radar Cross Section of Targets- Radar cross Section
Fluctuations- Transmitter Power-Pulse Repetition Frequency- Antenna Parameters-
System losses – Other Radar Equation Considerations
UNIT II 9
MTI and Pulse Doppler Radar
Introduction to Doppler and MTI Radar- Delay –Line Cancelers- Staggered Pulse
Repetition Frequencies –Doppler Filter Banks - Digital MTI Processing - Moving Target
Detector - Limitations to MTI Performance - MTI from a Moving Platform (AMIT) - Pulse
Doppler Radar – Other Doppler Radar Topics- Tracking with Radar –Monopulse
Tracking –Conical Scan and Sequential Lobing - Limitations to Tracking Accuracy -
Low-Angle Tracking - Tracking in Range - Other Tracking Radar Topics -Comparison of
Trackers - Automatic Tracking with Surveillance Radars (ADT).

UNIT III 9
Detection of Signals in Noise
Criteria – Detectors –-Automatic Detector - Integrators - Constant-False-Alarm Rate
Receivers - The Radar operator - Signal Management - Propagation Radar Waves -
Atmospheric Refraction -Standard propagation - Nonstandard Propagation - The Radar
Antenna - Reflector Antennas - Electronically Steered Phased Array Antennas - Phase
Shifters - Frequency-Scan Arrays
–Introduction – Matched –Filter Receiver –Detection
Radar Transmitters
Sources - Magnetron - Crossed Field Amplifiers - Other RF Power Sources - Other
aspects of Radar Transmitter.
- Introduction –Linear Beam Power Tubes - Solid State RF Power
Radar Receivers -
Receiver - Duplexers and Receiver Protectors- Radar Displays.
The Radar Receiver - Receiver noise Figure - Superheterodyne
UNIT IV 9
Introduction -
Introduction - Four methods of Navigation .
Radio Direction Finding -
Direction Finder - The Goniometer - Errors in Direction Finding - Adcock Direction
Finders - Direction Finding at Very High Frequencies - Automatic Direction Finders - The
Commutated Aerial Direction Finder - Range and Accuracy of Direction Finders
The Loop Antenna - Loop Input Circuits - An Aural Null
Radio Ranges -
Range(VOR) - VOR Receiving Equipment - Range and Accuracy of VOR - Recent
Developments.
The LF/MF Four course Radio Range - VHF Omni Directional
Hyperbolic Systems of Navigation (Loran and Decca) -
- Range and precision of Standard Loran - Loran-C - The Decca Navigation System -
Decca Receivers - Range and Accuracy of Decca - The Omega System
Loran-A - Loran-A Equipment
UNIT V 9
DME and TACAN -
TACAN Equipment
Distance Measuring Equipment - Operation of DME - TACAN -
Aids to Approach and Landing -
Approach System - Microwave Landing System(MLS)
Instrument Landing System - Ground Controlled
Doppler Navigation -
Equations - Track Stabilization - Doppler Spectrum - Components of the Doppler
Navigation System - Doppler range Equation - Accuracy of Doppler Navigation Systems.
The Doppler Effect - Beam Configurations -Doppler Frequency
Inertial Navigation -
of an Inertial Navigation System - Earth Coordinate Mechanization - Strapped-Down
Systems - Accuracy of Inertial Navigation Systems.
Principles of Operation - Navigation Over the Earth - Components
Satellite Navigation System -
(GPS)
The Transit System - Navstar Global Positioning System
TOTAL= 45 PERIODS
TEXTBOOKS
1. Merrill I. Skolnik ," Introduction to Radar Systems", Tata McGraw-Hill (3
2003.
2. N.S.Nagaraja, Elements of Electronic Navigation Systems, 2
rd Edition)nd Edition, TMH, 2000.
REFERENCES
1. Peyton Z. Peebles:, "Radar Principles", Johnwiley, 2004
2. J.C Toomay, " Principles of Radar", 2
nd Edition –PHI, 2004
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