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Channel Characterization of a Dual-Band Dual-Polarized SAR with Digital Beamforming

Arnieri, Emilio and Boccia, Luigi and Amendola, Giandomenico and Glisic, Srdjan and Mao, Chunxu and Gao, Steven and Rommel, Tobias and Penkala, Piotr and Krstic, Milos and Yodprasit, Uroschanit and Ho, Anselm and Schrape, Oliver and Younis, Marwan (2020) Channel Characterization of a Dual-Band Dual-Polarized SAR with Digital Beamforming. International Journal of Microwave and Wireless Technologies, 12 (6), pp. 477-486. Cambidge University Press. doi: 10.1017/S175907872000063X. ISSN 1759-0787.

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This paper presents the integration and channel characterization of a highly integrated dualband digital beamforming space-borne ynthetic aperture radar (SAR) receiver. The proposed SAR sensor is a low-cost, lightweight, low-power consumption, and dual-band (X/Ka) dualpolarized module ready for the next-generation space-borne SAR missions. In previous works, by the authors, the design and experimental characterization of each sub-system was already presented and discussed. This work expands upon the previous characterization by providing an exhaustive experimental assessment of the fully integrated system. As it will be shown, the proposed tests were used to validate all the instrument channels in a set-up where the SAR sensor was illuminated by an external source minim the ground reflected waves. Test results demonstrate how the system channels are properly operating allowing the reception of the input signals and their processing in the digital domain. The possibility to easily implement a calibration procedure has also been validated to equalize, in the digital domain, the unavoidable amplitude differences between the different channels.

Item URL in elib:https://elib.dlr.de/137742/
Document Type:Article
Title:Channel Characterization of a Dual-Band Dual-Polarized SAR with Digital Beamforming
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Arnieri, EmilioUniversity of CalabriaUNSPECIFIED
Boccia, LuigiUniversity of CalabriaUNSPECIFIED
Amendola, GiandomenicoUniversity of CalabriaUNSPECIFIED
Glisic, SrdjanSilicon Radar GmbHUNSPECIFIED
Mao, ChunxuUniversity of KentUNSPECIFIED
Gao, StevenUniversity of KentUNSPECIFIED
Rommel, TobiasUNSPECIFIEDhttps://orcid.org/0000-0003-1864-7585
Penkala, PiotrEvatronix S.A.UNSPECIFIED
Yodprasit, UroschanitSilicon Radar GmbHUNSPECIFIED
Younis, MarwanUNSPECIFIEDhttps://orcid.org/0000-0002-8563-7371
Date:1 June 2020
Journal or Publication Title:International Journal of Microwave and Wireless Technologies
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 477-486
Publisher:Cambidge University Press
Series Name:EuCAP 2019 Special Issue
Keywords:Synthetic aperture radar; digital beamforming; multifrequency antennas; antenna measurements
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 - Development of a mini-SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > SAR Technology
Deposited By: Rommel, Tobias
Deposited On:19 Nov 2020 11:49
Last Modified:20 Jun 2021 15:54

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