Small satellite dispersed SAR-an exemplary configuration

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Small satellite dispersed SAR-an exemplary configuration

Conference Paper (2016)

Author(s)

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

J.F. López-Dekker (Deutsches Zentrum für Luft- und Raumfahrt (DLR))

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

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

Affiliation

External organisation

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Publication Year

2016

Language

English

Affiliation

External organisation

ISBN (electronic)

9783800742288

Abstract

The paper reports about a basic analysis of a distributed SAR system realized by several small satellites. The potential for Pulse Repetition Frequency (PRF) reduction and the corresponding swath width extension is discussed. It is derived how to maintain a gap-free phase center (PC) sequence while increasing the inter-satellite distance. The paper presents different kinds of configurations. The one that solves the problem combines alternating transmit (tx) and dispersed receive (rx) satellites. An example configuration suitable for ship monitoring is established. It serves to illustrate the problem statement and its solving.

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