伪码跟踪环的设计是实现非相干扩频接收机的关键环节。
The design of code tracking loop is a key sector of the realization of noncoherent spectrum spread receiver.
在自适应卡尔曼滤波算法的基础上提出了一种带模型偏差的GPS伪码跟踪误差估计器。
Based on the adaptive Kalman filtering algorithm, an estimator for the GPS PN code tracking error with model bias is proposed.
本文分析了一种非相干伪码跟踪环路的线性以及非线性跟踪性能，并得到了环路的收敛域与收敛条件，这些分析结果对环路参数的设计都是至关重要的。
The algorithm presented in the paper achieved the stable condition and region of 2st-order DDLL. All of these analyses results are very important to design applicable parameters of the loop.
在分析伪码和载波跟踪环性能的基础上，给出了跟踪环路的最优带宽。
Based on the performance of PN code and carrier tracking loop, an optimal loop bandwidth is presented.
介绍了伪距解除相关法的原理，设计了一种加权平均跟踪误差估计器，用以估计GPS接收机码环跟踪误差。
The principle of the decorrelated pseudo range approach is presented. A weighted mean tracking error estimator is designed to estimate the GPS receiver code loop tracking error.
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。
A synchronous capture method of adaptation filter and related synchronous envelope tracking circle were applied to achieve synchronization of PN by receiver.
讨论了高动态、低信噪比、长伪码序列扩频信号的伪码捕获、跟踪、载波跟踪与数据解调方法。
The paper discusses the acquisition and tracking of the PN code and the tracking of the carrier in high dynamic range , low SNR and long PN code.
码跟踪环的设计是伪码测距系统的一个关键环节，其参数的选择对环路跟踪曲线影响很大。
The design of code loop is the key point in the ranging system. And the choice of its parameter greatly affect the trace curve.
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；
Slip correlative taking and delay locked loop are used for the synchronization, taking, locking of PN code.
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。
The mathematics model of DSSS, PN code, correlative reception of spread spectrum signal, synchronization and tracking are studied.
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。
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.
其中，伪码同步模块主要分为捕获和跟踪两个部分。
The most important module is the pseudo code synchronous module. The process has two parts:capture and track.
讨论了一种伪随机码跟踪环的特性，分析了码相关间隔、预检积分时间、环路带宽及信噪比等参数对码跟踪性能的影响。
The characteristics of PN code tracking-loop is discussed. The impact of parameters, e. g. correlation slot, integration time, loop width and SNR on code tracking performance is analyzed.
载波跟踪环用于对接收信号的载波频率进行精确跟踪，而码跟踪环是用于实现伪随机码延时的精确对准。
The former is used to achieve the fine estimation of the carrier frequency while the later is used to achieve the fine estimation of the code delay of the PRN code.
载波跟踪环用于对接收信号的载波频率进行精确跟踪，而码跟踪环是用于实现伪随机码延时的精确对准。
The former is used to achieve the fine estimation of the carrier frequency while the later is used to achieve the fine estimation of the code delay of the PRN code.
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