Enlist and explain the applications of RADAR
[7 marks]Briefly explain the basic principle of radar. Also explain and draw the appropriate block diagram of the radar set.
[7 marks]List the four methods of navigation. Describe any one in detail
[7 marks]Define Normalized RCS. Derive Surface clutter RADAR equation.
[7 marks]What is Doppler Effect? What is its application in MTI radar? Explain it in terms of Doppler frequency fd.
[7 marks]What is a multiple-time-around echoes and how it is related to radar’s PRF? Considering three targets at different distances, explain a method of distinguishing MTA echoes from unambiguous echoes, using Ascope.
[7 marks]What do you mean by Blind phase? Differentiate between blind speed and blind speed with neat waveforms .With the help of necessary block diagram explain the working of a digital MTI Doppler signal processor.
[7 marks]What is DME? Explain the operation of DME inside the aircraft.
[7 marks]Why the conical scan is more preferable over the sequential lobing? Justify it.
[7 marks]How Loop antenna can be used for direction finding? What is the problem of direction ambiguity? Give the solutions for this problem
[7 marks]How N-pulse Delay line cancelers are effective for MTI RADAR?
[7 marks]List the three different radar range equations. Discuss their significance and Justify “Maximum range of the radar is inversely proportional to the square-root of wavelength”
[7 marks]What do you mean by VOR? Explain VOR receiving equipment
[7 marks]With a neat sketch describe the TACAN beacon equipment. Explain how the desired antenna pattern is obtained and timing of the reference pulse groups is ensured.
[7 marks]Write short note on Navstar GPS Receiver system
[7 marks]Write short note on Instrument landing system.
[7 marks]