Radar and Navigation

(a) Explain the working of Radar with basic block diagram. Differentiate the CW Radar and Basic Pulse Radar with block diagram.

 (b) Write down a short note on superheterodyne receiver. What are the applications of Radar?

(a) How the velocity of a moving target is detected by Radar. Explain MTI Radar in detail with working and block diagram. 

(b) What is maximum unambiguous range? Explain the parameters and requirements of Radar antennas. 

(a) Explain the working of delay line canceller. What is Blind Speed;explain in detail. Differentiate between Blind Speed and Blind Phase.

 (b) Explain the principle of threshold detection in the radar receiver to overcome the probability of false alarm. 

(a) For an-air traffic control radar application, compare the advantages and disadvantages of a solid-state transmitter, klystron transmitter, and magnetron transmitter.

(b) What is receiver noise figure? How noise figure of a system (Fs) isrelated to system noise temperature Ts. Calculate Ts when effective temperature (T1, T2, T3.....) is given of a network connected in cascade Ti and Gi ere the effective noise temperature and gain of ith network for (i = 1, 2, 3...). 

(a) What do you mean by RCS fluctuations? Explain different swerlings model for RCS fluctuations.

(b) Describe the satellite navigation system.

(a) Describe the methods of direction finding. Write down a short note on Goniometer.

(b) Derive the modified Radar Range equation taking the effects of noise.

Write down short note on:

(a). Phased Array Radar

Write down short note on:

(b) Tracking Radar

Explain the following:

(a) Radar

plain the following:

(b) GPS