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- W4313151040 abstract "Beam steering is widely applied in the airborne and space-borne SAR system to achieve a balance between large imaging area and high azimuth resolution. However, it leads to a linear variation of Doppler centroid in monostatic SAR, which is more complicated in bistatic SAR due to the contribution built by the transmitter and the receiver and results in Doppler spectrum aliasing. The spatial variance of the Doppler centroid of the beam steering bistatic SAR is analysed. And a modified preprocessing method for azimuth-variant bistatic SAR with beam steering mode is proposed to remove the Doppler spectrum aliasing by effectively increasing the sampling rate of azimuth time. The movement of the platforms is considered with cured trajectory." @default.
- W4313151040 created "2023-01-06" @default.
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- W4313151040 date "2022-07-17" @default.
- W4313151040 modified "2023-10-16" @default.
- W4313151040 title "A Modified Preprocessing Method for Beam Steering Bistatic SAR with Curved Trajectory" @default.
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- W4313151040 doi "https://doi.org/10.1109/igarss46834.2022.9884714" @default.
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