Download AKTU B-Tech 8th Sem 2016-17 EEC035 Introduction To Radar System Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 8th Semester (Eight Semester) 2016-17 EEC035 Introduction To Radar System Question Paper

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B.TECH.
THEORY EXAMINATION (SEM?VIII) 2016-17
INTRODUCTION TO RADAR SYSTEM
T ime : 3 Hours Max. Marks : 100
Note .' Be precise in your answer. In case ofnumericalproblem assume data wherever not provided.
SECTION ? A
1. Explain the following: 10 x 2 = 20
(a) What do you mean by maximum unambiguous range?
(b) What are the applications of radar?
(c) What is called a missed detection?
(d) Define MTI improvement factor?
(e) What is stale and coho?
(1) What is Doppler Effect and how it is useful in long distance communication?
(g) Write the advantage of Digital MTI radar over analog MTI radar?
(h) Define blind speed?
(i) What are the various types of radar tracking system?
(j) What are the limitations that affect the accuracy of tracking radar?
SECTION ? B
2. Attempt any ?ve parts of the following questions: 5 x 10 = 50
(a) Derive the Range equation for target detection by the Radar
(b) Explain the concept of radar cross-section of targets
(c) Draw the block diagram and explain the operation of CW radar using zero intermediate
frequency in the receiver?
(d) Explain digital MTI Doppler signal processor?
(e) Explain Conical Scan and its merits over lobe switching?
(1) What is ambiguity function ? Discuss the ambiguity function of a simple pulse?
(g) Write short note on accuracy of Radar measurement?
(h) Derive an expression for probability of false alarm?
SECTION ? C
Attempt any two parts of the following questions: 2 x 15 = 30
3 Describe the various types of delay lines used in MTI radar. Explain the frequency
response.
4 What do you mean by coherent, non-coherent and binary integration? Discuss non?
coherent integration of non?uctuating targets ?
5 (i) Show that the maximum range of Radar operating at a given frequency is
proportional to the linear dimension of the antenna?
(ii) Describe the various antenna parameters?
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