• In the time domain, the impulse response shows a delay spread.

    时域中,脉冲响应出的延迟扩展。

    www.lw20.com

  • A simple but effective RMS delay spread estimation method is also presented.

    提出一种简单有效信道rms时延扩展估计方法

    dict.cnki.net

  • Finally, the joint estimation of channel response and RMS delay spread is discussed.

    最后给出了一信道响应RMS时延扩展联合估计的简单方法。

    dict.cnki.net

  • From the face-to-face communication, delay spread to the electronic dialogue, moral discourse vector changes as history goes by.

    面对面传播延时传播电子对话道德话语载体历史形态不断变化

    www.fabiao.net

  • 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角度扩散天线结构空间信道信道模型

    dict.cnki.net

  • Simulation results showed that, with the same roughness of a tunnel, both the delay spread and the signal attenuation varied with the carrier frequency.

    结果表明隧道信号传输时延扩展信号衰减载波频率有关。

    dict.cnki.net

  • 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OFDM系统来说,如果循环前缀长度大于信道时延扩散值,则可以通过简单域均衡解调OF DM信号。

    dict.cnki.net

  • 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.

    采用正交分频而不采用单载波技术原因用于处理通道延迟扩散问题的等化器具较低复杂度

    dict.kekenet.com

  • 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MIMOOFDM系统最小描述长度MDL准则均方根时延扩展估计中的应用

    dict.cnki.net

  • 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特征例如延迟扩展移动速度,来选择性地控制均衡器长度

    www.pat365.com

  • 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大多径延迟扩展系统性能影响很大,通常情况下采用PDMRC具有最好的性能。

    dict.cnki.net

  • 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.

    常用最大似然序列估计(MLSE)均衡器采用维特比算法(VA),只能用于具有较小时延扩展信道

    dict.cnki.net

  • Because pandemic infections are now widespread, there no longer is a scientific reason to delay international travel to reduce spread of infection.

    由于流感大流行感染现在已广泛传播不再科学理由为了减少感染传播耽误国际旅行

    www.who.int

  • The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.

    本论文中,首先移动传播环境了描述,特别是对小尺度多传播造成的幅度衰落,多径时延勒频移进行了分析;

    dict.cnki.net

  • 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31声表面波低频可程序抽头延迟线一种用于扩频抗干扰通信系统所用的关键信号处理器件

    dict.cnki.net

  • 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31声表面波低频可程序抽头延迟线一种用于扩频抗干扰通信系统所用的关键信号处理器件

    dict.cnki.net

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