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- W2547573193 abstract "The wavelength of synthetic aperture lidar (SAL) is very short; vibration of millimeter magnitude will significantly change the phase of echo signal and lead to the defocus of imaging in azimuth direction, so vibration estimation is a key step of SAL imaging. The existing Space Correlation Algorithm (SCA) used to estimate vibration of SAL is only suitable for the condition of narrow azimuth beam and high signal-noise ratio (SNR). Based on division of inner view field by two detectors along track, a new data obtaining model of SAL is established in this paper. Furthermore, a new vibration estimation method is proposed. Simulations validate that the vibration of SAL can be accurately estimated in the condition of wide azimuth beam and low SNR with the proposed method, meanwhile, good imaging result is obtained." @default.
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- W2547573193 date "2016-07-01" @default.
- W2547573193 modified "2023-09-27" @default.
- W2547573193 title "Vibration estimation of synthetic aperture lidar based on division of inner view field by two detectors along track" @default.
- W2547573193 cites W2162077515 @default.
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- W2547573193 doi "https://doi.org/10.1109/igarss.2016.7730190" @default.
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