An automated processing method for atmospheric detection lidar
A lidar and atmospheric detection technology, applied in the field of measurement and testing, can solve problems such as the inability to automatically select the reference height of molecules, and achieve the effect of solving backscattering coefficient inversion errors and avoiding time costs.
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Embodiment 1
[0056] like figure 1 As shown, an automatic processing method for atmospheric detection lidar includes the following steps:
[0057] S1. Radar signal correction: The signal correction module performs detector response correction and geometric overlap factor correction on the original echo signal of the atmospheric sounding lidar, and obtains the signal-to-noise ratio of the corrected lidar signal and the corrected lidar signal. The linearity of the radar signal is consistent;
[0058] S2. Distance correction: The preprocessing module performs background removal and distance correction on the corrected lidar signal to obtain a distance correction signal;
[0059] S3. Determine the farthest detection distance: The automatic processing module determines the farthest detection distance of the effective signal of the atmospheric detection lidar according to the signal-to-noise ratio, and compares the farthest detection distance with the minimum distance of the molecular layer. If ...
Embodiment 2
[0065] like figure 1 As shown, an automatic processing method for atmospheric detection lidar includes the following steps:
[0066] S1. Radar signal correction: The signal correction module performs detector response correction and geometric overlap factor correction on the original echo signal of the atmospheric sounding lidar, and obtains the signal-to-noise ratio of the corrected lidar signal and the corrected lidar signal. The linearity of the radar signal is consistent;
[0067] The signal correction module performs detector response correction on the original echo signal through the detector pulse stacking correction curve;
[0068] like figure 2 As shown, step S1 includes the following steps:
[0069] S11. Obtain the corrected lidar signal: the atmospheric detection lidar adopts the photon counting mode for signal acquisition and processing. When the photoelectric pulses output by the detector appear pulse stacking, use the pre-corrected detector pileup to respond ...
Embodiment 3
[0099] like figure 1 As shown, an automatic processing method for atmospheric detection lidar includes the following steps:
[0100] S1. Radar signal correction: The signal correction module performs detector response correction and geometric overlap factor correction on the original echo signal of the atmospheric sounding lidar, and obtains the signal-to-noise ratio of the corrected lidar signal and the corrected lidar signal. The linearity of the radar signal is consistent;
[0101] The signal correction module performs detector response correction on the original echo signal through the detector pulse stacking correction curve;
[0102] like figure 2 As shown, step S1 includes the following steps:
[0103] S11. Obtain the corrected lidar signal: The atmospheric detection lidar adopts the photon counting mode for signal acquisition and processing. When the photoelectric pulses output by the detector appear pulse stacking, the pre-corrected detector pileup is used to respon...
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