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Jakes frequency selective fading channel model complete source code, has been tested. (译)：杰克斯频率选择性衰落信道模型的完整的源代码，已经过测试。
Considering the correlation among the nonlinear code matrices, the time selective fading channels are estimated by decorrelation LMS adaptation method. 在噪声情况下，根据估计信道和噪声统计量，推导出对非线性编码进行解码的最大似然决策方法。
The orthogonal frequency division multiplexing (OFDM) system is multicarrier systems and usually used to combat frequency selective fading or narrowband interfere. 正交频分复用（OFDM）是一种多载波传输技术常用于抗频率选择性衰落或窄带干扰。
By analyzing the relationship between basis expansion model (BEM) and Doppler spectrum, the authors propose a scheme based on fractional BEM for the estimation of doubly selective channel parameters. 摘要通过分析复指数基扩展模型(BEM)与多普勒扩展频谱之间的关系，提出一种基于分数倍基扩展模型的双选信道估计方法。
When transmitting signal at high bit rate, the Reentry Remote Sensing channel presented an obvious character of frequency selective fading and the two-path model could well model this channel. 当传输码速率较高的情况下，再入遥测信道呈现频率选择性衰落特性，双径模型可以很好的模拟这种频率选择性信道。
frequency selective fading channel 频率选择性衰落信道
frequency selective fading channels 频率选择性衰落信道
doubly- selective fading channel 双衰落信道
The path grew more obscure in the fading light. 小径在渐渐消失的光线下变得更暗了。
Hopes of a peace settlement are now fading. 和平解决的希望逐渐消失。
I am doubly indebted to you-- for the party and for your generous gift! 你为我操办欢送会并赠送厚礼,这样的深情厚谊我铭记在心。
Hopes of a peaceful settlement are now fading. 和平解决的希望正在消失。
You've got to be doubly careful when you're driving in fog. 雾天开车你得加倍小心。
The Influences of Frequency Selective Fading on BER Performance of QPSK Systems 频率选择性衰落对QPSK系统误码性能的影响
The idea seemed to fade out and the club was never formed. 这个想法似乎被淡忘了，俱乐部始终没有建立起来。
The family is doubly troubled; they have no money and now their father is ill. 那户人家真是祸不单行，他们本来就穷，现在他们的父亲又生了病。
She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
But to ban them and berate them seems doubly dippy. 但是禁止或者严厉指着他们看起来是不理智的。
Fade out the storm effect here, and turn up the music. 至此宜使雷雨声的音响效果减弱而使音乐声渐强。