Inversion method for aerosol extinction coefficient horizontally detected by laser radar
A technology of extinction coefficient and laser radar, which is applied in the direction of radio wave measurement system, measurement device, climate sustainability, etc., can solve problems such as inability to invert horizontal aerosol extinction coefficient, lack of reference point extinction coefficient, etc.
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Embodiment 1
[0024] A laser radar horizontal detection aerosol extinction coefficient inversion method, comprising: using the slope method to calculate the average value of the extinction coefficient of a relatively uniform segment of the laser radar echo signal; using the average value of the extinction coefficient as the initial value of the extinction coefficient, taking The midpoint of a relatively uniform section of the signal is taken as a reference point into the backward integration formula of the Fernald method to invert the horizontal extinction coefficient of the atmospheric aerosol.
[0025] Wherein, described Femald method backward integration formula is as shown in following formula (1):
[0026]
[0027] In formula (1), α a (r) is the extinction coefficient of atmospheric aerosol; a m (r) is the extinction coefficient of atmospheric molecules; S a is the atmospheric aerosol extinction backscattering ratio; S m is the extinction backscattering ratio of atmospheric molec...
Embodiment 2
[0030] A laser radar horizontal detection aerosol extinction coefficient inversion method, comprising: using the slope method to calculate the average value of the extinction coefficient of a relatively uniform segment of the laser radar echo signal; using the average value of the extinction coefficient as the initial value of the extinction coefficient, taking The midpoint of the relatively uniform section of the signal is taken as a reference point into the backward integration formula of the Femald method to invert the horizontal extinction coefficient of the atmospheric aerosol.
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