M.Sc. (Semester III) (CBCS) Examination Oct/Nov-2017
Geoinformatics
ADVANCED TECHNIQUES IN REMOTE SENSING
WateriI
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: Attempt total five questions.
Questions NO.1 Compulsory.
Attempt any two questions from Question.NO.2 to 4.
Attempt any two questions from Question NO.5 to 7.
Figures to the right indicate full marks.
Draw neat and labeled diagrams wherever necessary.
Q.1 Choose the correct alternative given in the bracket. 14
the following errors is produced by platform characteristics
of the sensor.
Orbit drift Altitude variation
Altitude All of the above
Land sat program began in
1972 2003
1973 1937
First satellite of NASA was
Sputnik 2 Explorer 1
Sputnik 1 Terra 1
Remote sensing can be as basic
Putting cameras on camels TV remotes
Putting cameras on airplanes Putting sensors on satellites
the first ESA program in Earth observation with the overall
objectives to provide environment monitoring in particular in the
microwave spectrum.
ERS JERS
ALMAZ SEASAT
more information about the oceans than had been
acquired in the previous 100 years of shipboard research.
Shuttle-SIR B ALMAZ
Sea Sat JERS-1
PEM stands
Payload Electronics Module Payload elementary module
Pentium elementary Module Payload elevation module
typically mounted on a moving platform, such as an aircraft or
spacecraft.
Radar Synthetic aperture radar
Satellite None of these
Page 2 of 2
SLR-MN-498
Synthetic Aperture Radar has entered into
Golden age Dark Age
Silver age None of this
10) The launch the first SAR satellite, Seasat, in huge
development has been achieved in technology, techniques and
information retrieval algorithms.
1977 1987
1979 1978
11) In synthetic aperture radar imaging, are transmitted an
antenna towards the earth surface.
Microwave pulses Microwave signals
Backscattered signals None of these
12) The range direction is flight track to azimuth
direction.
Parallel, perpendicular Vertical, horizontal
Both a b None of these
13) An aerial photograph may be assumed as
Central projection Parallel projection
Orthogonal projection Poly conic projection
14) MODIS stands
Morphed-image Revolving Spectroradiometer
Multi-Image Resolution Spectroradiometer
Multiple Optical Resolution Spectroradiometer
Moderate Resolution imaging Spectroradiometer
Q.2 What is multispectral remote sensing? Explain its applications? 14
Q.3 Define polarization? Explain the difference between HV and VH
polarization.
14
Q.4 Explain the thermal remote sensing and Describe thermal Stefan's
Boltzmann law.
14
Q.5 Write short note on. 14
ALMAZ
JERS-1
0
Q.6 Describe in brief 14
Terrain properties of RADAR
Active and passive remote sensing
Q.7 Write an account on: 14
Synthetic aperture radar
SEASAT.