Wrapped staring spotlight SAR for TerraSAR-X

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Wrapped staring spotlight SAR for TerraSAR-X

Conference Paper (2016)

Author(s)

Josef Mittermayer (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

Thomas Kraus (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

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

Pau Prats-Iraola (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

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

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

Affiliation

External organisation

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Publication Year

2016

Language

English

Affiliation

External organisation

ISBN (electronic)

978-380074228-8

Abstract

The paper proposes wrapped staring spotlight SAR, a method to extend the azimuth steering capability for phased array SAR systems. Based on two TerraSAR-X (TSX) wrapped staring spotlight example acquisitions, the image performance of point and extended and targets is discussed. In the provided examples, the steering is extended until the gain of the grating lobes becomes much stronger than the gain into steering direction. By this, it becomes possible to improve the azimuth resolution by a factor of two when compared to that of the starring spotlight mode implemented in the operational TSX processing chain.

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