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Correlating SAR (CoSAR): Concept, Performance Analysis, and Mission Concepts

Lopez-Dekker, Paco and De Zan, Francesco and Rodriguez-Cassola, Marc and Krieger, Gerhard (2013) Correlating SAR (CoSAR): Concept, Performance Analysis, and Mission Concepts. In: Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS), pp. 1-4. IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2013-07-21 - 2013-07-26, Melbourne, Australia.

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Abstract

This paper presents a novel concept which we call a Correlating SAR (CoSAR). The basic idea is to operate at least two physically separated receivers with a relative motion so that their azimuth (cross-range) separation varies with time. Pairs of echoes acquired at each instant of time and relative position can be combined to produce estimates of the spatial autocorrelation function of the received signal. Estimates of this autocorrelation function for different po- sitions can then be combined to high resolution images of some statistical properties of the scene, like, for example, the Normalized Radar Cross Section (NRCS) or the first Doppler moment. A possible mission concept using two geosynchronous spacecraft is analyzed.

Item URL in elib:https://elib.dlr.de/82965/
Document Type:Conference or Workshop Item (Speech)
Title:Correlating SAR (CoSAR): Concept, Performance Analysis, and Mission Concepts
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Lopez-Dekker, PacoUNSPECIFIEDUNSPECIFIED
De Zan, FrancescoUNSPECIFIEDUNSPECIFIED
Rodriguez-Cassola, MarcUNSPECIFIEDUNSPECIFIED
Krieger, GerhardUNSPECIFIEDUNSPECIFIED
Date:23 July 2013
Journal or Publication Title:Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-4
Publisher:IEEE
Status:Published
Keywords:SAR, Van Cittert-Zernike Theorem
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Melbourne, Australia
Event Type:international Conference
Event Dates:2013-07-21 - 2013-07-26
Organizer:IEEE
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 SAR-Expert-Support-Lab
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Lopez Dekker, Paco
Deposited On:20 Jun 2013 09:02
Last Modified:08 May 2014 23:18

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