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1·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。

2·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。

3·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。

4·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。

5·In this paper, the modem spatial channel models built on the time delay spread and Angle spread and antenna geometries is developed.

本文提出了基于时延和角度扩散及天线结构的时空间信道信道模型。

6·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。

7·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。

8·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。

9·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MIMO OFDM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。

10·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。