[2] Jaya Ramaprasad,Eric Eisenberg.Optical attenuation in fog and clouds[ J ].Proceeding of SPIE-The International Society for Optical Engineering,2001,4530:58-71.
[3] ZHAO Zhen-Wei,WU Zhen-Sen.Millimeter-wave attenuation due to fog and clouds [ J ].International Journal of Infrared Millimeter Waves,2000,21(10):1607-1615.