10 Questions
What is the natural radar range observation coordinate, also known as the line-of-sight from the radar to each reflecting object?
Slant range
What is the result of projecting slant range onto the geoid of the Earth?
Ground range
What is the angle in the horizontal plane in which the radar antenna is pointing when transmitting a pulse and receiving the return signal?
Look direction
What is the angle at which the radar signal strikes the target or the ground?
Local incidence angle
What is the process of converting slant range data to ground range data?
Resampling
Horizontal displacement for a radar sensor is highest near ______ and decreases with incident angle.
nadir
Topographic displacement for optical systems increases with ______.
incident angle
Imaging radars usually view the scene from an ______ perspective.
oblique
Tall objects are displaced radially from ______ in air photos.
nadir
Terrain distortion in radar imagery is perpendicular to the ______ path.
flight
Learn about the effects of look directions on radar imaging in agricultural fields and high relief areas, and how to acquire multiple look directions using ascending and descending passes. This quiz covers the basics of RADARSAT imaging and its applications in remote sensing.
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