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本文介绍在3.2mm波长上对高云吸收以及大气吸收进行实测的原理、方法以及某些结果。我们于1981年12月在南京地区进行了实测,结果表明,垂直方向的高云吸收为0.1—0.05db;而在干燥的晴天,天顶方向大气总吸收约为0.43db左右。
This paper describes the principle, method and some results of high cloud absorption and atmospheric absorption measured at 3.2mm wavelength. We measured in December 1981 in Nanjing. The results show that the vertical cloud absorption is 0.1-0.05db. On dry sunny days, the total atmospheric absorption in the zenith direction is about 0.43db.