Report summarizes study of radiometrically and polarimetrically calibrated data from airborne synthetic-aperture-radar images of single-species forest stands in frozen and thawed conditions. Copolarization radar cross sections found as much as 6 dB less in frozen than in thawed condition. Effect attributed to fact that dielectric constants are greater in thawed condition. More-subtle differences determined by computing two features of statistics of Strokes matrices over resolution elements of each forest stand.
Polarimetric Radar Signatures Of Frozen And Thawed Forests
NASA Tech Briefs ; 16 , 9
1992-09-01
Miscellaneous
No indication
English
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