Time: 3 Hours
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B.TECH.
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THEORY EXAMINATION (SEM–VIII) 2016-17
INTRODUCTION TO RADAR SYSTEM
Max. Marks: 100
Note: Be precise in your answer. In case of numerical problem assume data wherever not provided.
SECTION – A
- Explain the following: 10 x 2 = 20
- What do you mean by maximum unambiguous range?
- What are the applications of radar?
- What is called a missed detection?
- Define MTI improvement factor?
- What is stalo and coho?
- What is Doppler Effect and how it is useful in long distance communication?
- Write the advantage of Digital MTI radar over analog MTI radar?
- Define blind speed?
- What are the various types of radar tracking system?
- What are the limitations that affect the accuracy of tracking radar?
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SECTION – B
Attempt any five parts of the following questions: 5 x 10 = 50
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- Derive the Range equation for target detection by the Radar
- Explain the concept of radar cross-section of targets
- Draw the block diagram and explain the operation of CW radar using zero intermediate frequency in the receiver?
- Explain digital MTI Doppler signal processor OR
- Write short note on accuracy of Radar measurement?
- Explain Conical Scan and its merits over lobe switching?
- What is ambiguity function? Discuss the ambiguity function of a simple pulse?
- Derive an expression for probability of false alarm?
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SECTION - C
Attempt any two parts of the following questions: 2 x 15 = 30
- Describe the various types of delay lines used in MTI radar. Explain the frequency response.
- What do you mean by coherent, non-coherent and binary integration? Discuss non-coherent integration of nonfluctuating targets?
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- Show that the maximum range of Radar operating at a given frequency is proportional to the linear dimension of the antenna?
- Describe the various antenna parameters?
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This download link is referred from the post: AKTU B-Tech Last 10 Years 2010-2020 Previous Question Papers || Dr. A.P.J. Abdul Kalam Technical University
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