本文讨论了与电波传播电路计算有关的各种因素，例如噪声、干扰和衰落，以及对它们的处理方法。
The various factors, such as noise, interference and fading, relating to radio wave propagation circuits, as well as the methods dealing with the factors are described.
在宽带信道模型的基础之上，从理论上分析了电波信号通过电离层信道所经受的衰落影响。
Based on the ITS channel model this paper theoretically discusses the fading effect of the ionosphere to the signal which is reflected by the ionosphere.
在此基础上对高速铁路的电波传播特性进行了小尺度衰落特性的研究分析。
On the base of this channel, we analyze the characteristics of the radio wave small-scale fading.
他们的主要问题是传输过程中会产生噪声和失真的积累，由电波多径传播会产生衰落，会严重影响音频的传输质量。
Their main problem is the transmission will be the accumulation of noise and distortion from the spread of multi-path waves will decline would adversely affect the quality of audio transmission.
他们的主要问题是传输过程中会产生噪声和失真的积累，由电波多径传播会产生衰落，会严重影响音频的传输质量。
Their main problem is the transmission will be the accumulation of noise and distortion from the spread of multi-path waves will decline would adversely affect the quality of audio transmission.
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