side-looking airborne radar
side-looking airborne radar (SLAR) An airborne radar system which scans sideways from the flight track and detects the backscattered radar reflections from the ground surface in order to produce a radar image of the ground much as side-scan sonar produces an image of the sea floor. Since different surface materials have different radar reflectance characteristics the radar image can be interpreted in terms of surface features.
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side-looking airborne radar