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A SAR conjugate mirror

Hounam, David (2006) A SAR conjugate mirror. IEEE Geoscience and Remote Sensing Letters, 3 (3), pp. 373-376. DOI: 10.1109/LGRS.2006.873228.

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Abstract

A radar transponder was constructed, which modifies the received signal such that its complex conjugate is returned to the radar, qualities of the conjugate mirror used in optics and acoustics. For a monostatic synthetic aperture radar (SAR), a perfect conjugate mirror will reflect a signal back to the radar with no phase shift due to the propagation path. The signal received by the transponder is also decorrelated from other targets, enhancing the transponder signal in the SAR image. This letter describes a transponder operated as a SAR conjugate mirror and an experiment with the European Remote Sensing 1 satellite, demonstrating the feasibility and characteristics. The significance for transponder design is addressed and possible applications discussed.

Document Type:Article
Additional Information:©2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:A SAR conjugate mirror
Authors:
AuthorsInstitution or Email of Authors
Hounam, DavidUNSPECIFIED
Date:July 2006
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Volume:3
DOI:10.1109/LGRS.2006.873228
Page Range:pp. 373-376
Editors:
EditorsEmail
IEEE, UNSPECIFIED
Status:Published
Keywords:SAR, transponder, conjugate mirror
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben SAR-Expert-Support-Lab (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Microwave Systems
Microwaves and Radar Institute
Deposited By: Dr.-Ing. David Hounam
Deposited On:11 Jan 2007
Last Modified:12 Dec 2013 20:22

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