Communications: directive radio wave systems and devices (e.g. – Synthetic aperture radar
Patent
1997-11-17
1999-08-31
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Synthetic aperture radar
342162, 342189, 342192, 342197, G01S 1390
Patent
active
059459379
ABSTRACT:
An along-track interferometric SAR (Synthetic Aperture Radar) of the present invention includes a single SAR line and observes a target only once. SAR data derived from a single observation are subjected to look division in order to reproduce two SAR images deviated in time from each other. Interference processing is executed with the two SAR images in order to determine a phase difference. The phase difference is converted to the velocity of the target. This can be done without resorting to any additional hardware.
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R. Carande et al., "Dual Baseline and Frequency Along-Track Interferometry", IGARSS'92, IEEE, pp. 1585-1588.
Japanese Office Action dated Jun. 16, 1998, with English language translation of Japanese Examiner's comments.
NEC Corporation
Sotomayor John B.
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