[1] [1] Herget W F, Brasher J D. Remote Fourier transform infrared air pollution studies [J]. Optical Engineering, 1980, 19(4): 508-514.

[3] [3] Galle B, Klemedtsson L, Griffth D W T. Application of a Fourier transform IR system for measurements of N 2 O fluxes using micrometeorological methods, an ultralarge chamber system, and conventional chambers [J]. Journal of Geophysical Research Atmospheres, 1994, 99(D8): 16575-16583.

[4] [4] Horrocks L, Burton M, Francis P, et al. Stable gas plum composition measured by OP-FTIR spectroscopy at Masaya Volcano, Nicaragua, 1998-1999 [J]. Geophysical Research Letters, 1999, 2(23): 3497-3500.

[9] [9] Xu Liang. General software for on-line collection and analysis of air multi-component pollution gas FTIR V1.0：2009SR01343 [P]. 2008-12-15 (in Chinese).

[10] [10] Shen Xianchun, Xu Liang, Ye Shubin, et al. Automatic baseline correction method for the open-path Fourier transform infrared spectra by using simple iterative averaging [J]. Optical Express, 2018, 10(26): A609-A614.

[11] [11] Shen Xianchun, Ye Shubin, Xu Liang, et al. Study on baseline correction methods for the Fourier transform infrared spectra with different signal-to-noise ratios [J]. Applied Optics, 2018, 20(57): 5794-5799.