Accuracy analysis on Rayleigh lidar measurements of atmospheric temperature based on spectroscopy |
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Authors: | Kun Liang Yong Ma Fei Cheng Hongyuan Wang |
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Institution: | [1]Department of Information and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074 [2]Wuhan National Laboratory for Optoelectronics, Wuhan 430074 |
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Abstract: | We make a detailed analysis on the linearity and accuracy of the relationship between the full-width at half-height (FWHH) of the atmosphere molecules Rayleigh scattering spectrum and the square root of the atmospheric temperature. A simulation of the FWHH of the atmosphere molecules Rayleigh scattering spectrum is made based on the S6 Atmosphere Model and U.S. Standard Atmosphere Model. The calcu-lated temperature is compared with the initial simulation temperature. The result shows that the FWHH of the atmosphere molecules Rayleigh scattering spectrum is nearly proportional to the atmospheric tem-perature. The goodness-of-fit index of the fitting curve is 0.9977 and the maximum absolute error of measured atmospheric temperature is about 2 K. |
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