The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.
由多径色散及多普勒频移造成的频率—时间选择性衰落是城市移动无线信道的一个重要特性。
On the base of this channel, we analyze the characteristics of the radio wave small-scale fading.
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。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
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