Signal-to-noise ratio gain in multi-channel SAR with digital beamforming

Conference Paper (2015)

Authors

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

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

Gerhard Krieger (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

Alberto Moreira (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

Affiliation

External organisation

To reference this document use:

https://doi.org/10.1109/IGARSS.2015.7326390

TU Delft Repository resolver:

https://resolver.tudelft.nl/8f157f34-348f-42e7-8c64-762ad7c1b542

More Info

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Publication Year

2015

Language

English

Affiliation

External organisation

Volume number

2015-November

Pages (from-to)

2778-2781

ISBN (electronic)

9781479979295

DOI:

https://doi.org/10.1109/IGARSS.2015.7326390

Abstract

The signal-to-noise ratio of a radar system is described through the well-known radar equation, which can be adapted to apply to imaging Synthetic Aperture Radar (SAR). Extension to multi-channel SAR systems utilizing digital beam-forming turns out to be treacherous; the pivotal question being, if and how to include the gain of the multiple antenna apertures. This paper puts an effort into answering this question in a simple and comprehensible, yet mathematically rigorous way.

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