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Robust array configuration for a microwave interferometric radiometer: application to the geoSTAR project

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hdl:2117/1465

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Torres Torres, FranciscoMés informacióMés informacióMés informació
Tanner, Alan B.
Brown, S. T.
Lambrigsten, Bjorn H.
Document typeArticle
Defense date2007-01-31
PublisherIEEE Institute of Electrical and Electronics Engineers
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The Geostationary Synthetic Thinned Array Radiometer represents a promising new approach to microwave atmospheric sounding from geostationary orbit based on passive interferometry. One of the major concerns about the feasibility of this new concept is related to the ability of the sensor to cope with the failure of one or several of its single receivers/antennas. This letter shows that the inclusion of a small percentage of additional antennas significantly reduces the degradation of radiometric resolution caused by such receiver failure. Impact of antenna failure is analyzed, taking into account two test images with very different spatial harmonic content. A tradeoff analysis of several array topologies is performed so as to minimize the number of additional antennas while keeping worst case radiometric error within a reasonable level.
CitationTorres, F.; Tanner, A. B.; Brown, S. T.; Lambrigsten, B. H. Robust array configuration for a microwave interferometric radiometer: application to the geoSTAR project. IEEE Geoscience and remote sensing letters, 2007, vol. 4, núm. 1, p. 97-101. 
URIhttp://hdl.handle.net/2117/1465
ISSN1545-598X
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