...f f − ,max c d f f + f c f 2v λ 2006-9-1 18/22 非自由空间中电磁波的多普勒扩展 时间选择性衰落(time selective fading),是指在无线信 道传输无线信号的带宽内,对无线通信接收机接收信 号复包络进行采样,如果存在任两个时刻采样信号的 相关系数小于0.
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时间选择性衰落信道 Time Selective Fading Channel
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时变色散信道则是同时存在频率和时间选择性衰落的信道。
A time-varying disperse channel is a channel that contain both frequency selective fading and time selective fading.
数字图像在时间选择性衰落信道下传输，难以获得满意效果。
The received image is not satisfactory over time-selective fading channel.
接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。
Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
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