[1] L Z Zhong. Calibration and Capability Analysis of China New Generation of Cloud Radar-HMBQ and Its Preliminary Application in Retrieving Cloud Microphysics Parameters(2009).

[2] G L Stephens. Cloud feedbacks in the climate system: A critical review. Journal of Climate, 18, 237-273(2005).

[3] P X Sheng, J T Mao, J G Li et al. Atmospheric Physics, 444-445(2003).

[4] R Zong, W Guo, L Z Zhong. Comparison analysis of cloud boundary detection by means of millimeter wavelength cloud radar and lidar. Laser Technology, 40, 171-177(2016).

[5] S T Li, S Q Ma, Y C Gao et al. Comparative analysis of cloud base heights observed by cloud radar and ceilometer. Meteorological Monthly, 41, 212-218(2015).

[6] X Y Huang, H F Hu, L B Bu et al. Comparison and analysis of cloud base height measured by ceilometer, infrared cloud measuring system and cloud radar. Chinese Journal of Quantum Electronics, 30, 73-78(2013).

[7] J T Houghton, Y Ding, D J Griggs et al. Climate Change 2001: The Scientific Basis(2001).

[8] Z Wang. Comparative Analysis on Cloud Height Data Derived from a Ground-Based Millimeter-Wave Radar and Other Instruments(2018).

[9] F Tao, S Z Hu, X F Zhang. Data fusion for base ground visible/infrared whole sky imager. Meteorological Monthly, 44, 518-525(2018).

[10] L Peng. Comprehensive Analysis and Research on Observation Data of ARM Cloud Radar and Other Related Instruments(2011).

[11] Y J Tang, S Q Ma, L Yang et al. Observation and comparison of cloud-base heights by ground-based millimeter-wave cloud radar. Journal of Applied Meteorological Science, 26, 680-687(2015).

[12] S Z Hu. Ground-based Infrared Measurements of Cloud Systems and Applications Research(2012).

[13] X J Sun. Study on Ground-Based All-Sky Infrared Remote Sensing of Clouds(2009).

[14] L Z Zhong, L P Liu, R S Ge. Characteristics about the millimeter-wavelength radar and its status and prospect in and abroad. Advances in Earth Science, 24, 383-391(2009).

[15] W X Zhang, D R Lü. Comparison of cloud base heights by ground based sky IR brightness temperature measurements with cloud radar and ceilometer in Shouxian. Chinese Journal of Atmospheric Sciences, 36, 657-672(2012).

[16] L Chen, P F Shi, Y Han et al. Analysis of atmospheric downward infrared radiation characteristics in the Bosten Lake Area and application in all-sky cloud identification. Desert and Oasis Meteorology, 8, 39-44(2014).