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Proceedings Paper

Simulation of retrieving the aerosol size distribution from the multi-wavelength optical parameters
Author(s): Jiwei Xu; Dong Liu; Decheng Wu; Chenbo Xie
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Paper Abstract

Simulation of retrieving bimodal log-normal aerosol size distribution is accomplished using the algorithm of nonlinear optimal estimation with the aerosol optical parameters combined with three aerosol backscattering coefficients in 355nm, 532nm, 1064nm wavelength (3β) and two extinction coefficients in 355nm, 532nm wavelength (2α). The results show that the parameters characterized the bimodal log-normal function can be successfully retrieved using this algorithm of high accuracy and stability. Given the ±10% uncertainty of the prior value the retrieving results error of the total number of particles and the effective radius are 9.4%, 19% and 9.5%, 22.1% respectively in Bimodal 1 and Bimodal 2. And the geometrical standard deviation brings greater error.

Paper Details

Date Published: 20 February 2018
PDF: 7 pages
Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106973Q (20 February 2018); doi: 10.1117/12.2315463
Show Author Affiliations
Jiwei Xu, Anhui Institute of Optics and Fine Mechanic (China)
Univ. of Science and Technology of China (China)
Dong Liu, Anhui Institute of Optics and Fine Mechanics (China)
Decheng Wu, Anhui Institute of Optics and Fine Mechanics (China)
Chenbo Xie, Anhui Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 10697:
Fourth Seminar on Novel Optoelectronic Detection Technology and Application
Weiqi Jin; Ye Li, Editor(s)

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