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.
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。
The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.
同时具有时间和频率选择性衰落的信道，我们称之为双衰落信道。
The time- and frequency- selective fading channel is so-called doubly selective fading channel.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
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