[1] [1] Liou K N. On the radiative properties of cirrus in the window region and their influence on remote sensing of the atmosphere ［J］. Atmos. Sci., 1974, 31: 522-532.

[2] [2] Booth A L. Objective cloud type classification using visual and infrared satellite data ［C］. Third Conf. on Probability and Statistics in the Atmospheric Sciences, Boulder, Co, Amer. Meteor, Soc., 1973: 220-227.

[3] [3] Inoue T. A cloud type classification with NOAA7 split window measurements ［J］. Geophys. Res., 1987, 92(4): 3991-4000.

[4] [4] Inoue T. Features of clouds over the tropical Pacific during the Northern Hemispheric winter derived from split window measurements ［J］. J. Meteor. Soc. Japan, 1989, 67: 621-637.

[5] [5] Ackerman S A, Smith W L. Inferring cloud microphysical properties from high resolution spectral measurements in the 8-13 μm window region ［C］. Seventh Conf. on Atmospheric Radiation, San Francisco, CA, Amer. Meteor. Soc., 1990: 6-8.

[6] [6] Ackerman S A, Smith W L, Spinhime J D, et al. The 27-28 October 1986 FIRE IFO cirrus case study: Spectral properties of cirrus clouds in the 8-12 micron window ［J］. Mon. Wea. Rev., 1990, 118: 2377-2388.

[7] [7] Li Xixiang, Ma Jinji, Liang Xiaofang. Retrieving cloud phase based on BP neural network ［J］. Journal of Atmospheric and Environmental Optics, 2010, 5(4): 299-304(in Chinese).

[8] [8] Cheng Tianhai, Chen Liangfu, Gu Xingfa, et al. Cloud phase classification and validation based on multi-angular polarized characteristics of cloud ［J］. Acta Optica Sinica, 2008, 28(10): 1849-1855(in Chinese).

[9] [9] Ma Zhanshan, Liu Qijun, Qin Yanyan, et al. Introductions to a new type cloud detecting satellite-Cloudsat ［J］. Meteorological Monthly, 2008, 8(34): 104-111(in Chinese).

[10] [10] Hu Y, Winker D, Vaughan M, et al. CALIPSO/CALIOP cloud phase discrimination algorithm ［J］. Atmos. Ocean. Tech., 2009, 26(11): 2293-2309.

[11] [11] Liu Z Y, Omar A H, Hu Y, et al. CALIOP Algorithm Theoretical Basis Document ［M］. Part 3: Scene Classification Algorithm. 2005: 25-33.

[12] [12] Hu Y X, Vaughan M, Liu Z Y, et al. The depolarization-attenuated backscatter relation: CALIPSO lidar measurements vs. theory optical ［J］. Opt. Exp., 2006, 15(9): 5327-5332.

[13] [13] Hu Y. Depolarization ratio-effective lidar ratio relation: theoretical basis for space lidar cloud phase discrimination ［J］. Geophys. Res. Lett., 2007, 34(11): L11812.1-L11812.4.

[14] [14] Hu Y X, Liu Z Y, Winker D, et al. A simple relation between lidar multiple scattering and depolarization for water clouds ［J］. Opt. Lett., 2006, 31(12): 1809-1811.