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Optical Engineering

Digital Versus Optical Techniques In Synthetic Aperture Radar (SAR) Data Processing
Author(s): Dale A. Ausherman
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Paper Abstract

The principle of synthetic aperture radar (SAR) image formation is reviewed in preparation for a discussion of both optical and digital processing techniques. The tilted-plane optical processing approach is presented as being representative of optical techniques. Since the newer digital approaches can take several forms, three classes of digital processors are examined: direct convolution, frequency multiplexing, and frequency analysis of dechirped data. A subjective listing of the relative merits for both processing media is presented. Both are found to be technically viable. The final choice will depend primarily upon the application requirements.

Paper Details

Date Published: 1 April 1980
PDF: 11 pages
Opt. Eng. 19(2) doi: 10.1117/12.7972488
Published in: Optical Engineering Volume 19, Issue 2
Show Author Affiliations
Dale A. Ausherman, Environmental Research Institute of Michigan (United States)


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