A Novel Digital Beam-Forming Concept for Spaceborne Reflector SAR Systems
Huber, Sigurd and Younis, Marwan and Patyuchenko, Anton and Krieger, Gerhard (2009) A Novel Digital Beam-Forming Concept for Spaceborne Reflector SAR Systems. In: Proceedings of the European Microwave Week (EuMW). European Microwave Week (EuMW), 2009-09-28 - 2009-10-02, Rom, Italien.
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The trend in the conception of future spaceborne radar remote sensing is towards the use of digital beam-forming techniques. These systems will comprise multiple digital channels, where the analog-to-digital converter is moved closer to the antenna. This dispenses the need for analog beam steering and by this the use of transmit/receive modules for phase and amplitude control. Digital beam-forming will enable Synthetic Aperture Radar (SAR) which overcomes the coverage and resolution limitations applicable to state-of-the-art systems. Moreover, new antenna architectures, such as reflectors, already implemented in communication satellites, are being reconsidered for SAR applications. This paper introduces a new digital beam-forming radar concept based on the combination of a reflector with a digital feed array. For a system example the SAR performance is estimated. Finally a novel digital signal processing approach, exploiting the signal properties of the transmitted waveform, is presented.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||A Novel Digital Beam-Forming Concept for Spaceborne Reflector SAR Systems|
|Journal or Publication Title:||Proceedings of the European Microwave Week (EuMW)|
|In ISI Web of Science:||No|
|Keywords:||Digital Beam Forming, Reflector, SAR|
|Event Title:||European Microwave Week (EuMW)|
|Event Location:||Rom, Italien|
|Event Type:||international Conference|
|Event Dates:||2009-09-28 - 2009-10-02|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Projekt TanDEM-X (old)|
|Institutes and Institutions:||Microwaves and Radar Institute > Radar Concepts|
|Deposited By:||Sigurd Huber|
|Deposited On:||23 Dec 2009 18:44|
|Last Modified:||08 Feb 2010 10:53|
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