Radar & Navigational Aids (Department Elective - II) — Summer 2022

Explain the Radar block diagram and operation.

Explain Applications of Radar in detail.

Explain various methods of navigation in detail.

Write a short note on Global Positioning System.

Define the Following in terms of Radar: (1) Maximum Ambiguous Range (2) PRF (3) Blind Speed (4) Dead Time (5) Marker Beacons (6) Land clutter (7) Sea Clutter

Derive the equation for the maximum range of radar and discuss the factor affecting the radar range.

How FMCW radar overcomes the shortcomings of Doppler CW radar? Explain the principle and operation of FM-CW radar in brief.

What is the Doppler effect? Briefly explain the working principle of pulse doppler radar with the help of a block diagram.

Explain any one method of tracking in detail.

Explain a block diagram of the electronic scanning system and its operation.

Explain the types of Radar Antennas.

Write a short note on the Instrument landing system.

Explain the principle of the NAVSTAR GPS receiver.

Explain the block diagram of Digital Signal Processing.

What do you mean by VOR? Explain VOR receiving equipment.

Enlist & briefly explain various errors in direction-finding.

What is DME? Explain the operation of DME inside the aircraft.