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Automatic Compensation of Antenna Beam Roll-off in SAR Images

Armin Walter Doerry

出版	United States. Department of Energy, 2006
URL	http://books.google.com.hk/books?id=QRnEjwEACAAJ&hl=&source=gbs_api

註釋

The effects of a non-uniform antenna beam are sometimes visible in Synthetic Aperture Radar (SAR) images. This might be due to near-range operation, wide scenes, or inadequate antenna pointing accuracy. The effects can be mitigated in the SAR image by fitting very a simple model to the illumination profile and compensating the pixel brightness accordingly, in an automated fashion. This is accomplished without a detailed antenna pattern calibration, and allows for drift in the antenna beam alignments.