Slip correlative taking and delay locked loop are used for the synchronization, taking, locking of PN code.
采用滑动相关捕获和延迟锁定环实现伪码的同步、捕获和跟踪；
Due to the obvious impact of frequency offset on PN sequences, based on the FH sequence, a symbol synchronization scheme with a conjugate symmetric training sequence is proposed.
针对频偏对PN序列相关性影响比较明显的问题，提出了一种利用FH序列构造的具有共轭对称性质的训练序列进行符号同步的方案。
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.
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。
The mathematics model of DSSS, PN code, correlative reception of spread spectrum signal, synchronization and tracking are studied.
研究了直扩系统的数学模型，扩频用的伪随机码，扩频信号的相关接收，扩频系统的同步和跟踪等。
Secondly, the thesis has proposed the three frame synchronization algorithms employing the superimposing PN sequence.
其次，论文提出了三种并行PN序列帧同步算法。
A synchronous capture method of adaptation filter and related synchronous envelope tracking circle were applied to achieve synchronization of PN by receiver.
接收机采用了匹配滤波器同步捕获法和包络相关同步跟踪环来实现伪码(PN)的同步。
Secondly, a novel downlink acquisition and synchronization algorithm for IEEE 802.20 OFDMA system is proposed. The algorithm is composed of downlink frame detection and sector PN code identification.
其次，本文提出一种针对IEEE 802.20 OFDMA工作模式的下行捕获和同步算法，该算法分为下行帧头检测和扇区标识值识别两个步骤。
The first kind of the frame synchronization algorithm employs the correlation of the long PN sequence and the redundancy of the guard interval to produce the synchronization signal.
第一种帧同步算法直接利用了一个长PN序列产生相关并融合保护间隔的冗余特性获得同步信号。
In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.
针对扩频通信系统中的伪码同步问题，分析了基于匹配滤波捕获跟踪算法的伪码数字化同步方案。
The first two synchronization algorithms employing Barker code and PN sequence.
前两种同步算法使用了巴克码与PN序列来提高同步性能。
The first two synchronization algorithms employing Barker code and PN sequence.
前两种同步算法使用了巴克码与PN序列来提高同步性能。
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