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Burst-Mode and ScanSAR Interferometry

Holzner, Jürgen and Bamler, Richard (2002) Burst-Mode and ScanSAR Interferometry. IEEE Transactions on Geoscience and Remote Sensing, 40 (9), pp. 1917-1934.

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ScanSAR interferometry is an attractive option for efficient topographic mapping of large areas and for monitoring of large-scale motions. Only ScanSAR interferometry made it possible to map almost the entire landmass of the Earth in the 11-days Shuttle Radar Topography Mission (SRTM). Also the operational satellites RADARSAT and ENVISAT offer ScanSAR imaging modes and thus allow for repeat-pass ScanSAR interferometry. This paper gives a complete description of ScanSAR and burst-mode interferometric signal properties and compares different processing algorithms. The problems addressed are azimuth scanning pattern synchronization, spectral shift filtering in the presence of high squint, Doppler centroid estimation, different phase preserving ScanSAR processing algorithms, ScanSAR interferogram formation, co-registration, and beam alignment. Interferograms and digital elevation models from RADARSAT ScanSAR Narrow modes are presented. The novel “pack-and-go” algorithm for efficient burst-mode range processing and a new time-variant fast interpolator for interferometric co-registration are introduced.

Item URL in elib:https://elib.dlr.de/7985/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2002,
Title:Burst-Mode and ScanSAR Interferometry
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1917-1934
Keywords:synthetic aperture radar interferometry, ScanSAR, burst mode, SRTM, RADARSAT, ENVISAT, pack-and-go algorithm
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):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Deposited By: DLR-Beauftragter, elib
Deposited On:20 Feb 2006
Last Modified:06 Jan 2010 22:12

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