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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 20 — Oct. 15, 1989
  • pp: 1101–1103

Phase-gradient algorithm as an optimal estimator of the phase derivative

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


Optics Letters, Vol. 14, Issue 20, pp. 1101-1103 (1989)
http://dx.doi.org/10.1364/OL.14.001101


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Abstract

The phase-gradient algorithm represents a powerful new signal-processing technique with applications to aperture-synthesis imaging. These include, for example, synthetic-aperture-radar phase correction and stellar-image reconstruction. The algorithm combines redundant information present in the data to arrive at an estimate of the phase derivative. We show that the estimator is in fact a linear, minimum-variance estimator of the phase derivative.

© 1989 Optical Society of America

History
Original Manuscript: May 18, 1989
Manuscript Accepted: July 26, 1989
Published: October 15, 1989

Citation
P. H. Eichel and C. V. Jakowatz, "Phase-gradient algorithm as an optimal estimator of the phase derivative," Opt. Lett. 14, 1101-1103 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-20-1101

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