SATELLITE COMMUNICATION AND REMOTE SENSING (Elective ...
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SATELLITE COMMUNICATION AND REMOTE SENSING (Elective ...
SATELLITE COMMUNICATION AND REMOTE SENSING (Elective).pdf. SATELLITE COMMUNICATION AND REMOTE SENSING (Elective).pdf. Op
JU – 875
*JU875*
VII Semester B.E. (E & C) Degree Examination, January/February 2014 (Y2K6 Scheme) EC 706.4 : SATELLITE COMMUNICATION AND REMOTE SENSING (Elective) Time : 3 Hours
Max. Marks : 100
Instruction : Answer any five full questions choosing minimum of two full questions from each Part. PART – A 1. a) With diagram explain the concept of satellite communication for C band.
6
b) With a neat diagram explain the power sub-system of a satellite and solar array configurations.
14
2. a) With neat diagram explain the working of Earth Station Receiver.
8
b) Explain the working of parabolic antenna for space craft.
8
c) Define beam width and EIRP.
4
3. a) Compare the major differences, advantages and disadvantages of TDMA, CDMA and FDMA.
10
b) Explain the spread spectrum transmission and reception by use of relevant expressions for DS-SS system. 4. a) With a neat diagram explain the DBS receiver. b) With block diagram explain satellite telemetry unit.
10 12 8 P.T.O.
JU – 875
-2-
*JU875*
PART – B 5. a) What are the advantages of Remote sensing ?
8
b) With block diagram explain the electromagnetic remote sensing of earth resources.
12
6. a) Explain the characteristic of the Land sat 5 thematic mapper spectral bands.
12
b) Explain the following: i) GIS ii) Supervised training. 7. a) Perform histogram equalisation of the input image. ⎡4 ⎢ ⎢3 ⎢ ⎢3 ⎢ ⎢3 ⎢ ⎢4 ⎣
