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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 14 — May. 10, 2000
  • pp: 2310–2312

Interpolated Spatially Variant Apodization in Synthetic Aperture Radar Imagery

David A. Yocky, Charles V. Jakowatz, and Paul H. Eichel  »View Author Affiliations


Applied Optics, Vol. 39, Issue 14, pp. 2310-2312 (2000)
http://dx.doi.org/10.1364/AO.39.002310


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Abstract

The original formulation of spatially variant apodization for complex synthetic aperture radar imagery concentrated on integer-oversampled data. Noninteger-oversampled data presented previously [IEEE Trans. Aerosp. Electron. Syst. <b>31,</b> 267 (1995)] suggested use of different weightings in the algorithm. An alternative noninteger-oversampled approach that employs the same apodization concept but uses local spatial interpolation is presented. With this approach the combined image formation, apodization, and detection of 1.3×-versus-2.0× oversampled data can be performed in half the time without loss of image quality.

© 2000 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2980) Image processing : Image enhancement
(280.6730) Remote sensing and sensors : Synthetic aperture radar

Citation
David A. Yocky, Charles V. Jakowatz, and Paul H. Eichel, "Interpolated Spatially Variant Apodization in Synthetic Aperture Radar Imagery," Appl. Opt. 39, 2310-2312 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-14-2310

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