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中文摘要：
从分析影响微波段大气折射率结构常数的因素人手，考虑了温度和相对湿度对这一波段大气折射率结构常数的影响，建立了我国北方地区微波段大气折射率结构常数《模型，并以此模型为基础分析和推导了K-Ka波段的平面波在湍流大气中水平和斜程传输时的闪烁指数。研究表明：温度和相对湿度对微波段大气折射率结构常数有一定的影响，但湿度影响相对较小；同时在其它条件不变的情况下，和光波段一样，湍流的内尺度、传播高度、路径天顶角对微波段闪烁指数均有一定的影响。
英文摘要：
The temperature and the relative humidity and others factors that affect the atmospheric structure constant in microwave band were discussed in this paper and established the atmospheric structure constant model in the northern region of china. Simultaneously, with this model the scintillation index of plane wave of K-Ka band which propagated through the atmospheric turbulence in level and slant path was analysed. Research shows that the temperature and the relative humidity all have some effect on the atmospheric structure constant in microwave band, however the later has less effect. In cases of other conditions unchanged, the inner scale , the spread height and the zenith angle all have some impact on the scintillation index in microwave as in light wave.
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