In the time domain, the impulse response shows a delay spread.
在时域中，该脉冲响应示出的延迟扩展。
A simple but effective RMS delay spread estimation method is also presented.
提出了一种简单有效的信道rms时延扩展的估计方法。
Finally, the joint estimation of channel response and RMS delay spread is discussed.
最后给出了一种信道响应及RMS时延扩展联合估计的简单方法。
From the face-to-face communication, delay spread to the electronic dialogue, moral discourse vector changes as history goes by.
从面对面传播、延时传播到电子对话，道德话语载体的历史形态不断变化。
Simulation results showed that, with the same roughness of a tunnel, both the delay spread and the signal attenuation varied with the carrier frequency.
结果表明，隧道中信号传输的时延扩展和信号的衰减均与载波频率有关。
If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
对于传统的OFDM系统来说，如果循环前缀的长度大于信道的时延扩散值，则可以通过简单的频域均衡来解调OF DM信号。
Rather than a single carrier solution, OFDM is chosen as a result that its equalizer dealing with the problem of high channel delay spread has lower complexity.
采用正交分频多工而不采用单载波技术的原因为其用于处理高通道延迟扩散问题的等化器具有较低的复杂度。
This paper studies the application of minimum description length (MDL) criterion for estimating root-mean-squared (RMS) delay spread (RDS) for MIMO OFDM systems.
研究了MIMOOFDM系统中最小描述长度（MDL）准则在均方根时延扩展估计中的应用。
Another exemplary method includes selectively controlling a length of an equalizer based upon a selected characteristic such as delay spread or mobile station speed.
另一示例的方法包括基于所选的特征，例如延迟扩展或移动台速度，来选择性地控制均衡器的长度。
Simulation shows co-channel interference and maximum multi-path delay spread have significant impact on the BER performance and PDMRC gives the best performance in most common environment.
仿真表明同信道干扰与最大多径延迟扩展对系统性能影响很大，在通常情况下采用PDMRC具有最好的性能。
The Maximum Likelihood Sequence Estimation (MLSE) using the Viterbi Algorithm (VA) is commonly recommended for the equalization, which can only accommodate the channels with limited time delay spread.
常用的最大似然序列估计(MLSE)均衡器采用维特比算法(VA)，它只能用于具有较小时延扩展的信道。
This paper reports a 31 bit low frequency SAW programmable tapped delay line. It is a key device in signal processing of interference free spread spectrum communication system.
文章报道的31位声表面波低频可程序抽头延迟线是一种用于扩频抗干扰通信系统所用的关键信号处理器件。
The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
在本论文中，首先对移动传播环境作了描述，特别是对小尺度多径传播造成的幅度衰落，多径时延和多普勒频移进行了分析；
The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
在本论文中，首先对移动传播环境作了描述，特别是对小尺度多径传播造成的幅度衰落，多径时延和多普勒频移进行了分析；
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