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Airborne SAR observations of ocean surface waves penetrating floating ice

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4 Author(s)
R. K. Raney ; Radarsat Project Office, Ottawa, Ont., Canada ; P. W. Vachon ; R. A. De Abreu ; A. S. Bhogal

The results are presented for a new and improved procedure for estimating the synthetic-aperture radar (SAR) image spectrum of ocean waves. This procedure, the spectral-sum method, involves summing individual image spectra derived from each of the looks of a multilook set. An automatic registration of the per-look spectral information is achieved, accounting for subimage look misregistration due to the wave propagation between looks. Spectral-sum processing is compared with traditional look-sum processing as a function of the radar slant-range. Spectral-sum processing is applied to SAR imagery of waves penetrating the marginal ice zone

Published in:

IEEE Transactions on Geoscience and Remote Sensing  (Volume:27 ,  Issue: 5 )