A. Identification
B. Recognition of objects
C. Judging the significance of objects
D. All of these
The object of photo-interpretation is__________________? Read More »
Elements of Remote Sensing A. Electric waves
B. Sound waves
C. Electromagnetic waves
D. Wind waves
A. 26,000 km
B. 30,000 km
C. 36,000 km
D. 44,000 km
A. The off-nadir resolution is degraded
B. The ground distance swept by the senor, IFOV is proportional to sec2 of scan measured from the nadir
C. The details towards the edge of the scan get compressed
D. All of these
Due to scan geometry of a satellite sensor____________________? Read More »
Elements of Remote Sensing A. Positional accuracies ~ 1 – 2 m if rover is less than 1-2 km from the reference station
B. Positional accuracies ~ 2 – 5m if rover is less than 2-5 fm from the reference station
C. Positional accuracies ~ 5 – 10 m if rover is less than 5-10 km from reference station
D. Positional accuracies ~ 5 – 10 m if rover is less than 25 km
Which one of the following parameters is accurate for DGPS ? Read More »
Elements of Remote Sensing A. Passive remote sensing
B. Active remote sensing
C. Neutral remote sensing
D. None of these
A. Increases with salinity
B. Increases with temperature
C. Decreases with salinity
D. Decreases with temperature
The refractive index of the ocean water_______________? Read More »
Elements of Remote Sensing A. Ozone hole
B. Atmospheric window
C. Ozone window
D. Black hole
A. Sensors
B. Passive sensors
C. Active sensors
D. None of these
A. 15,200 km
B. 26,600 km
C. 18,400 km
D. 36,000 km
Orbital radius of GPS satellites is approximately ___________________? Read More »
Elements of Remote Sensing