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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 und 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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Kurzfassung

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.

Dokumentart:Berichtsreihe (DLR-Interner Bericht)
Titel:Precise Motion Compensation for Very High Resolution Repeat-Pass Airborne SAR Interferometry in the Presence of High Topography Variations
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Scotto di Clemente, FrancescoFrancesco.ScottodiClemente@dlr.de
Scheiber, Rolfrolf.scheiber@dlr.de
Datum:13 Mai 2010
Erschienen in:DLR interner Bericht
Seitenanzahl:87
Name der Reihe:interner Bericht
Status:veröffentlicht
Stichwörter:airborne SAR, motion compensation, interferometry, multi-pass, topography
Institution:UNIVERSITÀ DEGLI STUDI DI NAPOLI FEDERICO II
Abteilung:DIPARTIMENTO DI INGEGNERIA BIOMEDICA, ELETTRONICA E DELLE TELECOMUNICAZIONI
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W - Vorhaben Flugzeug-SAR (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Hochfrequenztechnik und Radarsysteme
Institut für Hochfrequenztechnik und Radarsysteme > SAR-Technologie
Hinterlegt von: Dr.-Ing. Rolf Scheiber
Hinterlegt am:27 Mai 2010 17:19
Letzte Änderung:27 Mai 2010 17:19

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