STUPIDSID
1 (a)
How FMCW radar overcomes the shortcomings of Doppler CW radar? Explain the
principle and operation of FM-CW radar in brief.
7 M
1 (b)
Define the following:
(i) Maximum Unambiguous range (ii) Pulse repetition frequency (iii) Collapsing
Loss.(iv) Average transmitter Power (v) Blind Speed (vi) Doppler Shift (vii) clutter
7 M
2 (a)
Draw and Explain block diagram of a conventional pulse radar with a
superheterodyne receiver.
7 M
Solve any one question from Q2(b) & Q2(c)
2 (b)
What is the use of delay line canceler? Obtain the frequency response of a single
and double delay line canceler.
7 M
2 (c)
Draw the block diagram of MTI radar with Power oscillator transmitter and explain its operation? What is the need of for Coho and Stalo?
7 M
Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)
3 (a)
List the four methods of navigation. Describe any one in detail.
7 M
3 (b)
What is DME? Explain the operation of DME inside the aircraft.
7 M
3 (c)
Explain working of modern GPS system.
7 M
3 (d)
Write short note on Instrument landing system.
7 M
Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)
4 (a)
Draw and explain block diagram of conical-scan tracking radar.
7 M
4 (b)
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 M
4 (c)
What is the reason for very high scanning speed of phased array antenna compared
to parabolic reflector antenna? How the steering mechanism works in linear phase array?
7 M
4 (d)
Draw and explain block diagram of amplitude-comparison monopulse radar with one angular co-ordinate.
7 M
Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)
5 (a)
Explain working of the LORAN-A system.
7 M
5 (b)
What do you mean by VOR? Explain VOR receiving equipment.
7 M
5 (c)
Briefly describe the DECCA receiver with neat sketch.
7 M
5 (d)
Explain the components of Doppler navigation system.
7 M
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