Temporal decorrelation between synthetic-aperture-radar data acquired on subsequent passes along same or nearly same trajectory serves as measure of change in target scene. Based partly on mathematical models of statistics of correlations between first- and second-pass radar echoes. Also based partly on Fourier-transform relations between radar-system impulse response and decorrelation functions particularly those expressing decorrelation effects of rotation and horizontal shift of trajectories between two passes.
Exploiting Decorrelations In Synthetic-Aperture Radar
NASA Tech Briefs ; 18 , 11
1994-11-01
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Englisch
Exploiting Decorrelations in Synthetic-Aperture Radar
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