Radar & Navigational Aids (Department Elective - II) — Summer 2021

What is Doppler effect? Draw and explain block diagram of FMCW radar .

What do you understand by navigation? List different methods of navigation and explain any one in detail..

Derive the radar range equations and discuss the factors affecting the radar rage.

What is the working principle of radar? Draw and explain block diagram of pulse radar

Q2. (b) What is the principle of TACAN? Explain working of TACAN with the help of simple block diagram

What do you mean by term tracking radar? Explain the working of mono pulse radar with the help of block diagram.

(i) Explain briefly : Multiple around echoes. (03) (ii) Write short note on : Delay line cancellers (04)

What is the working principle of LORAN-Cnavigation system? Explain briefly the components of the LORAN system.

Explain operation of VHF Omni directional radio range (VOR ) receiver. Discuss advantages and limitations of VOR

Explain the working of microwave landing system. Write advantages and disadvantage of it.

(i) Explain Multiple around echoes. (03) (ii) Explain Delay line cancellers (04)

Draw and explain block diagram of DECCA receiver.

Explain different types of Adock direction finders and compare it with loop direction finder.

Explain briefly:

Blind speed (ii) Pulse Repetition Frequency (iii) Minimum detectable signal

Draw and explain block diagram of MTI radar

Write short note on :

Goniometer (03) (ii) Aural null Direction Finder (04)

Explain briefly modern navigation systems