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The TerraSAR-X Staring Spotlight Mode Concept

Mittermayer, Josef and Wollstadt, Steffen and Prats, Pau and Scheiber, Rolf (2014) The TerraSAR-X Staring Spotlight Mode Concept. IEEE Transactions on Geoscience and Remote Sensing, 52 (6), pp. 3695-3706. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/TGRS.2013.2274821 ISSN 0196-2892

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Abstract

Abstract—The paper investigates the possibility to enhance the TerraSAR-X (TSX) azimuth resolution by means of staring spotlight imaging in combination with an extended azimuth pattern steering. The current TSX spotlight modes are briefly reviewed, and the azimuth steering limitations are discussed. Based on a realistic TSX azimuth pattern simulation and performance estimation using a Kepler orbit and the WGS84 reference ellipsoid, the key performance parameters are estimated for an increasing azimuth pattern steering angle span. The azimuth ambiguity performance is identified to be the driving performance parameter. Experimental TSX staring spotlight high-resolution images are presented. They demonstrate and verify the envisaged performance estimation. The paper concludes with a concept for a high-resolution TSX staring spotlight mode that serves as baseline for the upcoming operational implementation.

Item URL in elib:https://elib.dlr.de/84335/
Document Type:Article
Title:The TerraSAR-X Staring Spotlight Mode Concept
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mittermayer, JosefUNSPECIFIEDUNSPECIFIED
Wollstadt, SteffenUNSPECIFIEDUNSPECIFIED
Prats, PauUNSPECIFIEDUNSPECIFIED
Scheiber, RolfUNSPECIFIEDUNSPECIFIED
Date:June 2014
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:52
DOI :10.1109/TGRS.2013.2274821
Page Range:pp. 3695-3706
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:0196-2892
Status:Published
Keywords:Terms—High-resolution, synthetic aperture radar (SAR), staring spotlight, TerraSAR-X
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Technologie Experimente TSX und TDX
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Mittermayer, Dr.-Ing. Josef
Deposited On:19 Sep 2013 14:22
Last Modified:08 Mar 2018 18:34

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