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。
In the measurement of infrared radiation characteristics of an object, the atmospheric attenuation in the measuring path is an important factor which has influence on measurement precision.
在测量目标的红外辐射特性时，测量路径上的大气衰减是影响测量精度的一个重要因素。
The light path in the conduction process loss, avoid the traditional cutting bed due to optical transmission problems caused by large attenuation of laser cutting power.
使光路在传导的过程 中损失最小，避免传统裁床由于光路传输问题而造成激光切割功率的大量衰减。
In the future, the higher frequencies will be applied in the wireless communication, as a result, path loss attenuation will be even more serious.
未来的无线通信将会采用更高的频率，由此造成的路径损耗衰减更加严重。
Abstract: The main factors influencing on slant path rain attenuation are summarized.
摘要本文综述了影响星—地路径雨致衰减的主要因素。
According to the dynamic character of trust, a new model of trust renewal is provided, which is based on the two factors of time-attenuation and path-attenuation.
鉴于信任的动态性，结合时间衰减和路径衰减两因素给出了新的信任更新模型。
There are stochastic Gaussian noise, multi-path effect and attenuation in the power line communication. It is difficult to transmit high-speed streams.
电力线通信存在随机高斯噪声干扰、多径效应和信道衰减，严重制约了高速数据的传输。
There are stochastic Gaussian noise, multi-path effect and attenuation in the power line communication. It is difficult to transmit high-speed streams.
电力线通信存在随机高斯噪声干扰、多径效应和信道衰减，严重制约了高速数据的传输。
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