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First experiments based on a highly digitized radar

Jirousek, Matthias and Castellanos, Gabriel and Peichl, Markus (2011) First experiments based on a highly digitized radar. In: Proceedings of the International Radar Symposium IRS 2011, pp. 435-440. International Radar Symposium (IRS), 7.-13. Sept. 2011, Leibzig, Deutschland. ISBN 978-3-927535-28-2.

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In the last years technological progress in analog to digital (ADC) and digital to analog converters (DAC) has been substantial. Particularly, the analog bandwidth has increased to a level where many new applications in radar techniques become possible. A major goal is to shift the boundary between analog and digital parts of a remote sensing system like radar further towards the antenna in order to reduce drift and non-linearity effects, and to gain a higher flexibility in signal processing. A high-resolution digital beam-forming (DBF) system requires adequately sampled, stored, and finally processed signals of several receiver channels. For multi-channel systems, especially in the transmit part, one main drawback is the interference between simultaneously transmitted signals being operated in the identical frequency range. However, the use of coded signals can overcome this issue. Currently we are investigating a radar architecture that uses major digital parts, multiple receive and transmit channels, and a wide bandwidth for high resolution imaging. The innovative radar system is called Gigarad. In this paper a very first experimental setup of Gigarad is outlined. Several coded waveforms have been analyzed with respect to their cross-correlation properties and their range resolution performance. First measurement results for a few selected waveforms are presented.

Item URL in elib:https://elib.dlr.de/73016/
Document Type:Conference or Workshop Item (Speech)
Title:First experiments based on a highly digitized radar
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:September 2011
Journal or Publication Title:Proceedings of the International Radar Symposium IRS 2011
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 435-440
Keywords:radar, digital radar, high-resolution, coded waveforms, ISAR
Event Title:International Radar Symposium (IRS)
Event Location:Leibzig, Deutschland
Event Type:international Conference
Event Dates:7.-13. Sept. 2011
Organizer:German Institute of Navigation (DEGON)
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):W - Vorhaben Sicherheitsrelevante Erdbeobachtung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Jirousek, Dr.-Ing. Matthias
Deposited On:19 Dec 2011 09:24
Last Modified:08 May 2014 23:22

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