Passively coded synthetic aperture interferometric radiometer (CSAIR): Theory and measurement results

Based on the synthetic interferometric imaging technique (SAIR), a new microwave radiometer architecture is proposed in this paper to detect thermal noise sources with a passive coded measurement approach so called CSAIR. In this new system, a passive microwave device is used to intrinsically code a...

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Bibliographic Details
Published in2017 11th European Conference on Antennas and Propagation (EUCAP) pp. 1243 - 1246
Main Authors Kpre, Ettien Lazare, Decroze, Cyril
Format Conference Proceeding
LanguageEnglish
Published Euraap 01.03.2017
Subjects
Antenna measurements
Microwave antenna arrays
Microwave antennas
microwave device
Microwave imaging
Microwave radiometry
Microwave theory and techniques
radiometry
Synthetic aperture
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Summary:Based on the synthetic interferometric imaging technique (SAIR), a new microwave radiometer architecture is proposed in this paper to detect thermal noise sources with a passive coded measurement approach so called CSAIR. In this new system, a passive microwave device is used to intrinsically code and multiplex the antenna signals. This allows the reduction of the number of RF chains while keeping the same antenna array configuration needed in a conventional interferometric radiometers. The system principle is described and the signal processing required for the target brightness temperature rendering is also discussed. Simulation and measurement results show the effectiveness and the potential of the proposed system.
DOI:10.23919/EuCAP.2017.7928159