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- W1970676259 abstract "Multichannel along track interferometric (MATI) SAR systems are discussed from the point of view of ocean remote sensing. It is shown that the signals scattered by range moving scatterers can be Doppler filtered using a MATI-SAR. Processing techniques are presented, including a phase screen method for the removal of phase errors (including systematic errors and also those resulting from platform motions). A particular radar system (the ESR, enhanced surveillance radar) is described; this has a 3 cm wavelength MATI with two, three or four beams. It is used for investigating and exploiting Doppler effects in ocean radar scattering. It is demonstrated that, by applying adaptive Doppler filtering techniques, the MATI-SAR can significantly increase the imaging sensitivity of ocean features with respect to a conventional SAR. Examples illustrate the use of the ESR MATI-SAR system for imaging ship generated swell waves. Using three beams, the visibility of the wave images is increased by 9.5 dB looking downwind and 5.0 dB looking upwind for horizontal polarisation at grazing angles of 39° and 32°, respectively. Associated Doppler filter responses are shown which show that the scatterers modulated by the swell wave are located in the neighbourhood of the wave crests." @default.
- W1970676259 created "2016-06-24" @default.
- W1970676259 creator A5042369841 @default.
- W1970676259 date "2003-01-01" @default.
- W1970676259 modified "2023-09-26" @default.
- W1970676259 title "Multichannel ATI-SAR with application to the adaptive Doppler filtering of ocean swell waves" @default.
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- W1970676259 doi "https://doi.org/10.1049/ip-rsn:20030935" @default.
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