Method for processing a signal from a coherent lidar in order to reduce noise and related lidar system
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United States of America Patent
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Feb 8, 2022
Grant Date -
Oct 31, 2019
app pub date -
Dec 28, 2017
filing date -
Dec 27, 2016
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Abstract
A method for processing a signal from a coherent lidar includes a coherent source, the method comprising steps consisting of: generating a first beat signal and a second beat signal, using respectively a first detection assembly and a second detection assembly for a plurality of n time intervals, determining n respective values of spectral density using a transform in the frequency domain of the cross-correlation between the first and second beat signals, determining a mean value of the spectral density using said n values of spectral density, determining a piece of location information on the target using the mean value of said spectral density.
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