Reducing Surface Clutter in Cloud Profiling Radar Data
NASA’s Jet Propulsion Laboratory
Monday, December 01 2008
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Radar data can be processed to study clouds closer to the surface.
An algorithm has been devised to reduce ground clutter in the data products of the CloudSat Cloud Profiling Radar (CPR), which is a nadir-looking radar instrument, in orbit around the Earth, that measures power backscattered by clouds as a function of distance from the instrument. Ground clutter contaminates the CPR data in the lowest 1 km of the atmospheric profile, heretofore making it impossible to use CPR data to satisfy the scientific interest in studying clouds and light rainfall at low altitude.
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