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B. E. FOURTH YEAR SEMESTER VII (ELECTRONICS & COMMUNICATION) 
EC705(A) : RADAR & NAVIGATIONAL AIDS (ELECTIVE PAPER-I)


1.    Navigation : 

       Introduction, Radio Direction Finding, Radio ranges, Hyperbolic systems of Navigation (Loran & Decca), DME and TACAN, Aids to Approach & Landing, Doppler Navigation, Inertial Navigation, Satellite Navigation Systems. 
2.    Principles of Radar : 

       Introduction, Radar Equation, Radar Frequencies, Radar set, Radar Applications, Receiver Noise, Signal to Noise Ratio, Transmitter Power, Pulse Repetition Frequency, Pulse Duration, Propagation effects.
3.    Radar Targets : 

       Introduction, Radar cross-Section, Back Scatter cross-Section, Polarization Scattering matrix, Complex Target, Cross-Section fluctuation, Frequency stability effects.
4.    Radar Transmitters & Receivers : 

       Introduction, Magnetron Oscillator, Klystron Amplifier, Traveling Wave Tube Amplifier, Crossed Field Amplifier, Modulators, Solid State Transmitters. Noise Figure of a Receivers, Mixers, Displays, Duplexers, Matched Filter, Receiver, Co-relation Detection, Constant False Alarm rate Receivers.
5.    Propagation of Radio Waves : 

       Introduction, Propagation on Planes, Refraction, Diffraction, Anomalous Propagation, Attenuation due to Atmospheric Gases, Environmental Noise, Microwave Radiation Hazards.
6.    Radar Clutter : 

       Introduction, Surface Clutter Radar Equation, Sea Clutter, Land Clutter, Weather effect on Radar, Angelo Echoes.
7.    MTI Radar : 

       Introduction, Operation of MTI Radar, MTI Receiver with Delay Line Cancellor, Multiple of Staggered, Pulse Repetition Frequencies, Range Gated Doppler Filters, Digital Signal Processing, MTI from a Moving Platform, Limitations of MTI Performance.
8.    Modern Radars : 

       Introduction to Pulse Doppler Radar, Block Diagram, Detection of Multiple Targets moving with Different Velocities, Coherent Integration, Applications, Advantages of Pulse Doppler Radar, Introduction to Frequency coded Radar, Block diagram, Discrete Frequency Waveform Coding, SideLobe Reduction by weighted Amplitude of Frequency coded Waveform, Matched Filter Realization for Pulse Compression, Introduction to Phase coded Radar, Phase Coding & Decoding, Block Diagram, Decoders, Cross Correlator & Tracker, Range Tracker, Comparison of Phase coded & Linear FM Pulse Compressions, Introduction to Millimeter Wave Radars, Propagation of Millimeter Waves, Military Radars, Anti Aircraft Weapon System, Missile Guide & Seeker System, Beam Radar, Missile Seeker, Configuration of Missile Seeker Sensors, FM-CW Sensors, Radio metric Sensors, Power Source for Millimeter wave Radar.
9.    Navigational & Remote Sensing Radars : 

       Introduction, Airport Radars, Meteorological Radars, Airborne Radar, Doppler Navigation, Doppler Navigation Equipment, Distance Measuring Equipment, Navy Radar, Remote Sensing Radar, Doppler Navigation Equipment, Phased Array.
10.  Radars for Atmospheric Probing : 

       Introduction  to MST radars, Early development, Doppler Radar Probing with MST Radar, Evolution of MST Radar, MST Radar System.
       Antenna Configuration : Echoing Process, Turbulence & layer Structure Measurement, Wind Measurement, Forecasting Application.
       Introduction to Dual Polarisation Radars, CHILL Radars, Chilblain Radar, Radar ceilometer, Dual polarisation Doppler Radar.
       Rainfall Measurement with meteorological Radar : Theoretical Consideration, Determination of Radar Parameters, Reflectivity Factor, Signal Averaging, Antenna Gain, Radar Rainfall Adjustment, Factor Affecting Rainfall Measurement, Conclusion.
11.  Direction Findings : 

       Introduction, Loop Antenna,  Sense Finder, Increasing Sensitivity of Direction Finders, Method of Increasing Loop Voltage, Errors In Direction Finding, Automatic Direction Finder.

*    Books : 
         
1. Introduction to Radar Systems by Skolnik
        2. Elements of Electronic Navigation by Nagaraja (2/e Tata McGraw Hill) 


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