基于该模型，研制了低压电力线的MSK双路扩谱通信电路系统。
The communication system model is set up with MSK and double-pathway spread spectrum for low voltage power line.
扩谱通信中一个最基本的任务就是实现本机的伪随机信号与接收的伪随机信号的同步。
In spread-spectrum communication systems, the essential task which has to be performed is the synchronization of receiver pseudonoise (PN) signal with the pseudonoise signal contained in the input.
因此，该低压电力线扩谱通信系统能较好地抑制低压电力线通信信道的干扰，提高了通信的可靠性，可广泛应用于低压电力线通信领域。
Thus, the system can restrain the noise from low voltage power line and improve communication reliability. It may be widely applied to the communication field using low voltage power line.
研究了一种利用信号谱相关特性对周期平稳通信信号进行时差估计的方法。
This paper studies the TDOA estimation method using the characteristics of cycle stationary communication signal.
相位编码扩谱光码分多址（OCDMA）通信系统是近年来OCDMA研究的热点之一。
Phase encode spreading optical code division multiplex access (OCDMA) communication system is one of the research focuses in recent years.
超宽带(uwb)信号及其功率谱分布是研究超宽带通信系统与其它通信系统频谱共存与兼容问题时，需要考虑的重要因素。
UWB signals and their power spectrum mask are important factors which need to be considered when studying the spectrum coexisting and compatible problems between UWB systems and other radio systems.
主要讨论了一种使用语音频谱动态特性的倒谱距离测量对通信系统或通信设备进行客观音质评价方法。
This paper studies briefly a distance measure for objective quality evaluation of speech communication channels using instantaneous and dynamic spectral features.
对透明转发器卫星通信系统，干扰的有效功率必须大于所有用户的总功率，宽带干扰或梳状谱干扰是较好的干扰方式。
For satellite communications system with a transparent transponder, the effective jammer power must be larger than the total power of all t...
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
它具有通信容量大、辐射功率谱密度低，抗多径干扰，结构简单和保密性好等优点。
It is featured with high system capacity, low power spectral densities, exceptional multi-path immunity, simple structure and low probability of detection.
我已经正式通知邮局我的通信地址变了，但是你知道这个和投骰子一样不靠谱。
I filed the change about the address with the post office. But you know what a crap shoot that can be.
我已经正式通知邮局我的通信地址变了，但是你知道这个和投骰子一样不靠谱。
I filed the change about the address with the post office. But you know what a crap shoot that can be.
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