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Experimental Anechoic Chamber Measurements of a Target Near an Interface

Marquart, Nicolas Pascal (2006) Experimental Anechoic Chamber Measurements of a Target Near an Interface. Progress In Electromagnetics Research, 61, pp. 143-158. EMW Publishing. DOI: 10.2528/PIER06031003.

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Official URL: http://ceta.mit.edu/pier/pier.php?paper=0603103


Abstract-The backscattered field of an illuminated sphere with diameter Ø = 30.5 cm above a perfect conducting plate is measured in an anechoic chamber at different heights for a varying incidence angle φ in the range 5° to 75°. A high frequency field λ « Ø is transmitted, so that two significant transitions from lit to shadow regions are given over the entire incidence angle range for the considered ray field. The polarimetric behavior of the measured scattering matrix [S] is investigated by using the common coherent and incoherent decomposition theorems used by the radar polarimetry scientific community. Close to the shadow boundaries the polarimetric behavior of the sphere significantly changes. Representing the different decomposition parameters used in radar polarimetry over the incidence angle range, the transition zones are related to local maxima or minima. Hence, the extreme values of the polarimetric parameters give information about the geometrical parameters e.g target size and its height above the plate.

Document Type:Article
Title:Experimental Anechoic Chamber Measurements of a Target Near an Interface
AuthorsInstitution or Email of Authors
Marquart, Nicolas PascalUNSPECIFIED
Date:May 2006
Journal or Publication Title:Progress In Electromagnetics Research
Page Range:pp. 143-158
Publisher:EMW Publishing
Keywords:RADAR Polarimetry, Decomposition Theorems, Geometrical Theory of Diffraction (GTD)
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Insitu Science (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Microwave Systems
Microwaves and Radar Institute
Deposited By: Dr. Nicolas Pascal Marquart
Deposited On:26 Feb 2007
Last Modified:12 Dec 2013 20:21

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