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Precise Motion Compensation for Very High Resolution Repeat-Pass Airborne SAR Interferometry in the Presence of High Topography Variations

Scotto di Clemente, Francesco and Scheiber, Rolf (2010) Precise Motion Compensation for Very High Resolution Repeat-Pass Airborne SAR Interferometry in the Presence of High Topography Variations. DLR-Interner Bericht. DLR-HR-IB-551-4/2010, 87 S.

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Abstract

Motion compensation (MoCom) is one of the most critical processing steps for airborne SAR focusing. The high demands concerning the accuracy of motion compensation originate from applications like multibaseline polarimetric SAR interferometry, SAR tomography as well as differential SAR interferometry. During the recent years the airborne E-SAR system of DLR-HR has been operated mainly in these modes. For the E-SAR system an accurate and precise topography and aperture dependent MoCom algorithm (PTA) was developed. However, the future data supply for the development of novel SAR techniques and applications will be provided by the new F-SAR system offering improved spatial resolution, simultaneous acquisition in up to 3 frequency bands and in future also single-pass interferometry in X- and S-band. The objective of this thesis is to re-investigate the PTA approach for MoCom, in order to develop and implement an algorithm that overcomes the limitations established for the E-SAR system, and extending the correction to a 2D approach.

Document Type:Monograph (DLR-Interner Bericht)
Title:Precise Motion Compensation for Very High Resolution Repeat-Pass Airborne SAR Interferometry in the Presence of High Topography Variations
Authors:
AuthorsInstitution or Email of Authors
Scotto di Clemente, FrancescoFrancesco.ScottodiClemente@dlr.de
Scheiber, Rolfrolf.scheiber@dlr.de
Date:13 May 2010
Journal or Publication Title:DLR interner Bericht
Number of Pages:87
Series Name:interner Bericht
Status:Published
Keywords:airborne SAR, motion compensation, interferometry, multi-pass, topography
Institution:UNIVERSITÀ DEGLI STUDI DI NAPOLI FEDERICO II
Department:DIPARTIMENTO DI INGEGNERIA BIOMEDICA, ELETTRONICA E DELLE TELECOMUNICAZIONI
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 Flugzeug-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Dr.-Ing. Rolf Scheiber
Deposited On:27 May 2010 17:19
Last Modified:27 May 2010 17:19

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