Ka-band SAR system supporting XTI-ATI

Conference Paper (2014)
Author(s)

Carolina Tienda (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

Marwan Younis (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

P. Lopez Dekker (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

Christoph Schaefer (Astrium GmbH)

Michael Ludwig (European Space Agency (ESA))

Research Group
Mathematical Geodesy and Positioning
More Info
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Publication Year
2014
Language
English
Research Group
Mathematical Geodesy and Positioning
Volume number
2014-June
Pages (from-to)
786-789
ISBN (electronic)
9783800736072

Abstract

This paper describes the performance analysis of a Ka-band Synthetic Aperture Radar (SAR) system working in joint mode, which is able to provide an adequate Cross-Track Interferometric (XTI) and Ground Moving Target Indication (GMTI) performance. The common major problem of joint mode is the low Pulse Repetition Frequency (PRF). To overcome this problem a long receive antenna is considered, which allows a reduction of the PRF, resulting in an increase of the swath widths. The receive antenna is constituted by nine equal reflectarray modules and the transmit antenna consists of two reflectarray modules, both antennas are able to work in narrow and wide swath modes.

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