[1] [1] Hogg D C, Guiraud F O, Snider J B, et al. A steerable dual-channel microwave radiometer for measurement of water vapor and liquid in the troposphere ［J］. J. Appl. Meteor., 1983, 22(5): 789-806.

[2] [2] Karmakar P K, Rahaman M, Sen A K. Measurement of atmospheric water vapour content over tropical location by dual frequency microwave radiometry ［J］. Int. J. Remote Sens., 2001, 22(17): 3309-3322.

[3] [3] Karmakar P K, Maiti M , Sett S, et al. Radiometric estimation of water vapor content over Brazil ［J］. Adv. Space Res., 2011, 48(9): 1506-1514.

[4] [4] Thome K J, B M Herman, Reagan J A, et al. Determination of precipitable water from solar transmission ［J］. J. Appl. Meteor., 1992, 31(2): 157-165.

[5] [5] Gampmany E, Bech J, Rodriguez-Marcos J, et al. A comparison of total precipitable water measurements from radiosonde and sunphotometers ［J］. Atmos. Res., 2010, 97(3): 385-392.

[6] [6] Reagan J, Thome K J, Herman B M, et al. A comparison of columnar water vapor retrievals obtained with near-IR solar radiometer and microwave radiometer measurements ［J］. J. Appl. Meteor., 1993, 34(6): 1384-1391.

[7] [7] Zhang Yuxiang, Li Xiaojing, Gu Xingfa. Estimation of water vapor amount over Beijing from sun photometer measurements ［J］. Journal of Remote Sensing, 2006, 10(5): 749-755(in Chinese).

[8] [8] Liu Hongyan, Wang Yingchun, Wang Jingli, et al. Preliminary analysis of the characteristics of precipitable water vapor measured by the ground-based 12 channel microwave radiometer in Beijing ［J］. Chinese Journal of Atmospheric Sciences, 2009, 33(2): 388-396(in Chinese).

[9] [9] Liu Chaoshun, Lü Daren, Du Bingyu. A study on ground-based remote sensing of atmospheric integrated water vapor and cloud liquid water ［J］. Journal of Nanjing Institute of Meteorology, 2006, 29(5): 606-612(in Chinese).

[10] [10] Solheim F J, Godwin E, West Y, et al. Radiometric profiling of temperature, water vapor, and liquid water using various inversion methods ［J］. Radio Sci., 1998, 33(2): 393-404.

[11] [11] Rangasayi N H, Tomas F E, Brent N H, et al. Sun Photometric measurements of atmospheric water vapor column abundance in the 940 nm band ［J］. J. Geophys. Res., 1997, 102(D4): 4343-4352.

[12] [12] Volz F E. Economical multispectral sun photometer for measurements of aerosol extinction from 0.44 μm to 1.6 μm and precipitable water ［J］. Appl. Opt., 1974, 13(8): 1732-1733.

[13] [13] Qie Lili, Dai Congming, Xu Qingshan, et al. Calibration of near infrared absorption band for a sun-photometer ［J］. Journal of Remote Sensing, 2012, 16(5): 928-938(in Chinese).