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Analysis of a POD-based approach for phase and time synchronization of bistatic and multistatic SAR systems

Rodrigues Silva Filho, Eduardo and Rodriguez Cassola, Marc (2021) Analysis of a POD-based approach for phase and time synchronization of bistatic and multistatic SAR systems. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. 13th European Conference on Synthetic Aperture Radar, 2021-30-03 - 2021-04-01, Leipzig (virtually), Germany. ISSN 2197-4403.

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Abstract

The feasibility of multistatic SAR mission concepts largely relies on the ability to achieve the matching of the carrier phase of the different elements of the constellations to a few degrees. This paper analyses the accuracy of phase synchronization schemes based on precise orbit determination (POD) and GNSS raw data, in which the GNSS receiver and the radar payload share the same oscillator. Performance expressions are contrasted with results from the simulations. The results suggest the proposed approach is capable of delivering reliable estimates of carrier frequency and phase errors in the absence of strong baseline velocity deviations.

Item URL in elib:https://elib.dlr.de/141588/
Document Type:Conference or Workshop Item (Speech)
Title:Analysis of a POD-based approach for phase and time synchronization of bistatic and multistatic SAR systems
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rodrigues Silva Filho, EduardoEduardo.RodriguesSilvaFilho (at) dlr.deUNSPECIFIED
Rodriguez Cassola, MarcMarc.Rodriguez (at) dlr.deUNSPECIFIED
Date:April 2021
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
ISSN:2197-4403
Status:Accepted
Keywords:Bistatic radar, multistatic radar, time and phase synchronization, calibration algorithms, performance analysis
Event Title:13th European Conference on Synthetic Aperture Radar
Event Location:Leipzig (virtually), Germany
Event Type:international Conference
Event Dates:2021-30-03 - 2021-04-01
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - SAR missions
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Rodrigues Silva Filho, Eduardo
Deposited On:29 Mar 2021 10:10
Last Modified:01 Apr 2021 03:00

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