Download AKTU B-Tech 4th Sem 2014-15 Geoinformatics Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 4th Semester (Fourth Semester) 2014-15 Geoinformatics Question Paper

Printed Pages : 3
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(Follnwing Paper ID and Roll No. to be ?lled in your Answer Book)
PAPERZI?D :"100402
Roll No.
B. Tech.
(SEM. IV) THEORY EXAMN?ATION, 2014-15
GEOINFORMA'IIICS
Time : 3 Hours] [Total Marks : 100
Note : (i) Attempt All Questions.
(ii) All Questions carry equal marks.
1 Attempt any four parts : 5><4=20
(a) List the characteristics of Photographic Images.
(b) Describe Kinematics GPS and Photogrammetry
(c) How the data are obtained from a Remote Sensing
Satellite & What do you mean by Spectrum Signature?
((1) Write the various characteristics of any one satellite.
Explain Nadir Point.
(e) Describe Parallax Bar with a neat sketch.
(1) What is Image Enhancement? De?ne Image Histogram.
100402] ' 1 [ Contd...

100402]
2 Attempt any TWO parts : 10><2=20
(a) Differentiate between active & passive remote sensing
systems. Under what condition which is preferred?
Describe Wave model of electromagnetic radiation.
(b) Explain the terms data modelling & data output.Explain
static, kinematic & differential GPS.
.7 (0) De?ne the concept of ?ight planning with neat sketch.State
' advantages & disadvantages of each type of aerial
photograph in respect to others.
3 Attempt any TWO parts : 10><2=20
(a) Enumerate the use of remote sensing in civil engineeiing
especially in forestry & oceanography. Di??erentiate
between restoration & enhancement of remote sensing
images. list any three image enhancing operations &
explain any one of them.
(b) What are the important ?mctions in a GIS? Also explain
topology with respect to GIS.
(c) Explain how the height of a ?agpole (falling on level
terrain) can be calculated by measuring the length of
its shadow in an aerial photo.
4 Attempt any TWO Parts : 10><2=20
(a) What do you mean by image classi?cation? Explain
different types of image classi?cation methods during
digital image processing.
2 [ Contd...
(b)
The air base of a stereopair of vertical photos is
4000 ft. & ?ying height above average ground is
8000 ft. The camera has 6 inch (152.4 mm) focal
length & a 9 inch (23cm) format. What is the percent
end lap? Assume that the spacing between adjacent
- ?ight strips is 8200 ft. What is the percentage side lap?
Identify 3 segment of GPS & explain the purpose of
each. What are the major differences between EMR
& other energy transfer procedures (Conduction &
Convection).
5 Attempt any TWO parts : 10><2=20
(a) (1) Di??erentiate between :
(ii) Active & passive Sensors
(iii) Raster & Vector Data
(iv) Spatial & Spectral resolutions
(v) Geostationary Satellite & Sun-Synchronous satellite
(b) Describe di??erent regions of a electromagnetic spectrum
along with their range of wavelengths, with the help of
a neat sketch.
(c) Explain about, GPS satellite signals & receivers
What do you mean by photo interpretation?
.
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