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Deficiences of the Forward and Backscatter Alignment Conventions in Bistatic Radar Polarimetry

Danklmayer, Andreas and Boerner, Wolfgang-Martin and Morisaki, Jorge J. and Cloude, Shane , R. (2006) Deficiences of the Forward and Backscatter Alignment Conventions in Bistatic Radar Polarimetry. In: Proceedings of the International Workshop on Electromagnetic Wave Scattering (EWS), 1-39-1-43. International Workshop on Electromagnetic Wave Scattering (EWS), 2006-09-18 - 2006-09-22, Gebze, Turkey.

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Abstract

This contribution presented in the Ernst Lüneburg Memorial Session is concerned with the proper formulation of the electromagnetic wave scattering problem from coherent point targets in the general bi-static case which depends on the introduction of the proper coordinate systems. Deficiencies of often used ‘Forward Scattering Alignment (FSA)’ and the ‘Back Scatter Alignment (BSA)’ conventions are pointed out and we attempt to modify these concepts by explicitly introducing the time reversal operation, as proposed by Ernst Lüneburg. Coordinate systems are used to realize and concretize operator-valued field relations formulated in abstract vector spaces in terms of vectors and matrices in finite-dimensional complex linear vector spaces. Great care must be exercise in choosing the correct coordinate systems and conventions in such a way that the formulations allow a direct application of well-established mathematical theorems to the physical world of the various scattering scenarios. This applies in particular to the formulation of scatter problems using the conventional FSA and the BSA conventions in general bi-static radar polarimetry. This suggestion is also connected with the attempt to recombine the traditional formulations via the radar equation and via the voltage equation, considered to be the two independent cornerstones of radar polarimetry, on an equally cohesive footing. The role of symmetry and coordinate systems in bistatic scattering from random media, and the contribution of Ernst Lüneburg to this field is thoroughly addressed, which was one of the principal research areas Ernst Lüneburg was particular engaged in during his last years.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Deficiences of the Forward and Backscatter Alignment Conventions in Bistatic Radar Polarimetry
Authors:
AuthorsInstitution or Email of Authors
Danklmayer, AndreasUNSPECIFIED
Boerner, Wolfgang-MartinUniversity of Chicago, UIC-ECE Communications, Sensing & Navigation Laboratory, USA
Morisaki, Jorge J.University of Chicago, UIC-ECE Communications, Sensing & Navigation Laboratory, USA
Cloude, Shane , R.AEL Consultants, UK
Date:September 2006
Journal or Publication Title:Proceedings of the International Workshop on Electromagnetic Wave Scattering (EWS)
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:1-39-1-43
Editors:
EditorsEmail
Gebze Institute of Technology, UNSPECIFIED
Status:Published
Keywords:Coordinate Systems, Radar Polarimetry, Optical Polarimetry
Event Title:International Workshop on Electromagnetic Wave Scattering (EWS)
Event Location:Gebze, Turkey
Event Type:international Conference
Event Dates:2006-09-18 - 2006-09-22
Organizer:Gebze Institut of Technology
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. Andreas Danklmayer
Deposited On:30 Oct 2006
Last Modified:27 Apr 2009 13:12

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