additional path attenuation 附加路径衰减
path attenuation exponential 路径衰减指数
multi-path attenuation channel 多径衰落信道
path integrated attenuation 路径积分衰减
path integration attenuation 路径积分衰减
attenuation mean free path 衰减平均自由程
The source spectrum of small-moderate earthquake can be represented by theoretical "Brune" model, the geometric attenuation factor of whole path can be represented by three-segment geometric model.
中小地震的震源谱可以用“布龙”理论模型表示，传播路径中的几何衰减因子可以用三段几何衰减模型表示。
The main factors influencing on slant path rain attenuation are summarized.
本文综述了影响星—地路径雨致衰减的主要因素。
Using the experimental data obtained in Beijing, the characteristics of slant path rain attenuation in Beijing area are analysed.
并利用在北京获得的实测数据，对北京地区星—地雨致衰减的特点进行了分析。
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