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；
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。
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。
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。
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。
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