B.TECH - Semester 8 radar and television engineering Question Paper 2019 (nov)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Draw and explain a delay line canceller circuit.
- Briefly explain the working of PPI display.
- If the radar operates at a frequency of 5 GHz , then find the Doppler frequency of an aircraft moving with a relative velocity of 100 KMPH .
- Describe the working principle of loop antenna.
- What is a composite video signal? Explain.
- Write the principle of CCD camera tube.
- What are the advantages of vestigial sideband transmission? Explain.
- Explain the working of plasma TV.
- Write a note on MPEG2.
- Explain DCT based compression of image frames. ( $\mathbf{1 0} \boldsymbol{\times} \mathbf{4} \boldsymbol{=} \mathbf{4 0}$ Marks) P.T.O. Answer any two questions. from each module. Each question carries 10 marks
- Derive the radar range equation and also explain the different factors affecting the maximum range of radar.
- MTI radar operates at a frequency of 6 GHz . With a PRF of 1 KHz . Find the $1^{\text {st }}, 2^{\text {nd }} 3^{\text {rd }}$ blind speed.
- Draw and explain a radio compass receiver. $$ (2 \times 10=20 \text { Marks) } $$
- Draw the block diagram of a PAL coder and explain its working.
- What is negative modulation? Also write its advantages.
- Write short note on (a) Need of AGC in receivers
- Write short note on (b) EHT generation
- Write short note on (c) Video detector. ( $\mathbf{2} \boldsymbol{\times} \mathbf{1 0} \boldsymbol{=} \mathbf{2 0}$ Marks)
- Explain the different methods to receive digital TV signal.
- Explain various display technologies used in digital TV transmission.
- What is digital TV? With block diagram explain the generation, transmission and reception of digital TV signal. ( $\mathbf{2} \boldsymbol{\times} \mathbf{1 0} \boldsymbol{=} \mathbf{2 0}$ Marks)