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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 1 — Jan. 1, 1989
  • pp: 1–3

Speckle processing method for synthetic-aperture-radar phase correction

P. H. Eichel, D. C. Ghiglia, and C. V. Jakowatz, Jr.  »View Author Affiliations


Optics Letters, Vol. 14, Issue 1, pp. 1-3 (1989)
http://dx.doi.org/10.1364/OL.14.000001


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Abstract

Uncompensated phase errors present in synthetic-aperture-radar data can have a disastrous effect on reconstructed image quality. We present a new iterative algorithm that holds promise of being a robust estimator and corrector for arbitrary phase errors. Our algorithm is similar in many respects to speckle processing methods currently used in optical astronomy. We demonstrate its ability to focus scenes containing large amounts of phase error regardless of the phase-error structure or its source. The algorithm works extremely well in both high and low signal-to-clutter conditions without human intervention.

© 1989 Optical Society of America

History
Original Manuscript: July 25, 1988
Manuscript Accepted: October 14, 1988
Published: January 1, 1989

Citation
P. H. Eichel, D. C. Ghiglia, and C. V. Jakowatz, "Speckle processing method for synthetic-aperture-radar phase correction," Opt. Lett. 14, 1-3 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-1-1

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