A. Altitude variation
B. Altitude
C. Orbit drift
D. All of these
Related Mcqs:
- sensor IFOV is proportional to_________________?
A. sin2
B. cos2
C. sec2
D. tan2 - The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target_________________?
A. Reduces the contrast of the image and also its sharpness
B. Increases the contrast of the image but reduces the sharpness
C. Increases both the contrast and sharpness
D. Reduces the contrast but increases the sharpness - The basic requirement of any sensor system is___________________?
A. Radiometric resolution
B. Spatial resolution
C. Spectral resolution
D. All of these - A passive sensor uses ________________?
A. Sun as the source of energy
B. Flash light as a source of energ
C. Its own source of energy
D. None of these - Which one of the following geometric errors of satellite sensors is random ?
A. Scan skew
B. Panoramic distortion
C. Earth rotation
D. Altitude variation - DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within___________________?
A. 25 km
B. 50 km
C. 75 km
D. 100 km - Earth observations from a satellite platform provide____________?
A. Synoptic view of a large area
B. Constant solar zenith angles and similar illumination conditions
C. Repetitive observations of the same area with intervals of a few minutes to a few weeks
D. All of these - The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called____________________?
A. Passive remote sensing
B. Active remote sensing
C. Neutral remote sensing
D. None of these - Which one the following is a correct statement ?
A. The vertical section of the soil extending into the parent material, is called profile
B. The layers of the soil parallel to the earth surface are called horizons
C. The transitional layer between two adjoining horizons is called boundary
D. All of these - Pick up the correct statement from the following?
A. The ratio of the up flux and down flux just above the snow surface, is called albedo
B. Spectral albedo of snow is calculated for the semi-infinite snow thickness
C. Water equivalent height of snow is the height of water column obtained by melting snow
D. All of these
