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- W2355367566 abstract "The anntenna area of distributed microsateliites radar system is usually smaller that 2m~2.Accodering to minimum SAR antenna area constraint,and there are range-Doppler ambiguities.This inherent ambiguity brings some new difficult problem other than conventional synthetic aperture radar(SAR).The conventional SAR is based on time-frequecny processing principle,which does matched filtering on range fast-time and Doppler filter on azimuth slowtime.The distributed Microsatellites radar must utilize its spatial domain,and after resolving range-Doppler ambiguities,just good imaging result can be obtained,so it is a space-time-frequency imaging problem.This paper proposes a space-time-frequency imaging method,under the condition of the low pulse repetition frequency and range unambiguity,which exploits the abundant spatial degree of distributed Microsatellites,and nulls the Doppler ambiguities in Doppler domain using spatial filter,finally does imaging processing.The theoretical derivation,performance analysis and simulation of the method are also given in the paper." @default.
- W2355367566 created "2016-06-24" @default.
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- W2355367566 date "2005-01-01" @default.
- W2355367566 modified "2023-09-23" @default.
- W2355367566 title "Study of Distributed Microsatellites Radar Space-Time-Frequency Imaging Method" @default.
- W2355367566 hasPublicationYear "2005" @default.
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