| 释义 |
PN sequence
基本例句
PN序列
The synchronization method ofPN sequencefor the need of fast acquisition and tracking in telemeter is presented.3、为了满足测距中伪码快捕的需要,通过分析常见的伪码同步方法,确定了本系统采用的伪码快捕和跟踪方案。
The spread spectrum communication has advantages of anti-noise, anti-interaction and nice secrecy for the noise characteristic ofPN sequence.由于PN序列具有类噪声特点，使得扩频通信具有抗噪声、抗干扰、保密性能好等优点。
Based upon the study of the cyclic spectrum of DS &DS/CDMA signals, a spectral correlation approach is presented to estimate the chip interval ofPN sequence.3在对DS及同步DS/CDMA信号周期谱谱相关研究的基础上，论证了应用DS信号的周期谱谱相关可以得到该信号PN码片宽度的估计，提出了一种用于估计同步DS/CDMA信号PN码片宽度的谱相关算法，并作到了较低的信噪比容限。
An efficient method that can blindly estimate and synchronize toPN sequenceof direct sequence spread spectrum signal quickly is presented in a non-cooperative context.摘要在非协作信息侦测情况下，提出了一种实用的直接序列扩频通信信号PN码序列的快速盲估计方法。
In direct sequence spread spectrum communication system, enemy is assumed to detect wholePN sequencechip by chip and a modulated retransmitted interference is created.在直接序列扩频通信系统中,假设敌方能够逐个比特地检测到整个PN序列,并产生一个调制的转发干扰。
The Frame Detection Algorithm has verified the feasibility and validity ofPN sequenceas the lead polit-code, and provided certain basis to different cases.文章通过仿真帧检测算法,验证了PN码作前导码的可行性和有效性,并为不同要求下的前导码选择提供了一定的依据。 |