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Ocean surface velocity estimation in multichannel ATI-SAR systems

Lombardini, F; Griffiths, HD; Gini, F; (1998) Ocean surface velocity estimation in multichannel ATI-SAR systems. Electronics Letters , 34 (25) pp. 2429-2431. 10.1049/el:19981677.

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Abstract

Conventional along-track interferometric (ATI) synthetic aperture radar (SAR) systems derive the ocean surface velocity from an estimate of the phase difference between the SAR echoes received from two displaced phase centres with a single time-lag. A maximum likelihood algorithm is proposed to process multichannel SAR data from an array of phase centres with multiple time-lags. The new technique provides better estimation accuracy than the conventional technique, unambiguous velocity retrieval, and extended operational capability.

Type: Article
Title: Ocean surface velocity estimation in multichannel ATI-SAR systems
DOI: 10.1049/el:19981677
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/33475
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