伪随机码

目前的卫星导航定位系统大多采用扩频通信技术来传输导航信息，常用的伪随机码是平衡Gold码。

Currently most satellite navigation systems utilize the spread spectrum communication technology to transmit navigation information , and the commonly-used PRN ranging code is the balanced Gold code .

随后，本文介绍了卫星信号的同步处理技术，主要包括了卫星信号的捕获和跟踪两个环节，目的是实现对卫星信号的多普勒频率和伪随机码延时两个参数的精确估计。

After that , the synchronization techniques of satellite signal receiver is introduced by this dissertation . The synchronization techniques , which include signal acquisition and signal tracking , is to get the accurate estimation of Doppler frequency and PRN code delay of the satellite signal .

最小二乘辨识算法中伪随机码最大长度Np的选择

Selecting Np in Least Square Algorithm

GPS接收机中伪随机码快速捕获技术的研究

Study on Technique of Fast Acquisition Pseudo Noise Code in GPS Receiver

MATLAB在伪随机码的生成及仿真中的应用

Application of MATLAB in Generation and Simulation of PN Code

基于FPGA的伪随机码序列发生器实现方案研究

Research of the Realization Plan of Pseudo-Stochastic-Code Generator Based on FPGA

基于DSP和FPGA的GPS伪随机码并行快速捕获方案设计

A Design of PN Code Parallel Fast Acquisition in GPS Based on DSP and FPGA

其次，介绍了几种常用的伪随机码捕获方法及不适合于P码直接快速捕获的原因。

Secondly , this thesis introduces several conventional code acquisition methods and the reason why they are not fit for direct P-code acquisition .

文章首先介绍了直接序列扩频通信系统的基本原理，以及伪随机码m序列和Gold序列的相关特性。

Firstly , the fundamental theory of DSSS and the correlation performance of m code and Gold code are introduced .

M序列和Gold序列伪随机码满足以上条件，是应用广泛的扩频函数。

Set M and set Gold of pseudo-random code meet requirements listed above , thus are widely used as spread-spectrum functions .

文中还介绍了用伪随机码（PN码）测试其性能的方法。

The PN code generator for testing purpose is also presented .

伪随机码调制的CW半导体激光雷达试制报告

The trial-produce report of CW semiconductor lidar modulated with pseudo-random code

采用EDA技术的伪随机码扫频测试系统

A frequency spectrum measure system based on EDA technique with pseudo-random codes

基于VHDL语言的伪随机码发生器的自动校验制作

Automatic Verification Making of Pseudo-random Generator Models Based on VHDL

PPM伪随机码及其应用

PPM Pseudo - random Code and Its Applications

伪随机码与超声载波采用ASK（幅移键控）调制方式，介绍了伪随机码超声扩频测距硬件方案和超声测距时延估计模型。

The author proposed the hardware circuit scheme and TDE ( Time Delay Estimation ) model for the system with the PRBS and ultrasonic carrier adopting ASK modulation mode .

为缩短GPS接收机捕获伪随机码的时间，分析了与时域滑动相关的常规捕获方法；

In order to reduce the time of acquisition pseudo noise code in GPS receiver , the conventional acquisition method slide correlation in the time domain was analyzed .

伪随机码MSK信号波的目标探测性能研究

Research of Pseudo Noise Sequence MSK-modulation Signal on Target Detection

介绍了GPS接收机在车载系统中的组成及应用.在设计时充分考虑了GPS接收机伪随机码测距的问题。

Introduces the GPS receiver , which the problem of false random yard has been fully considered to state the composition and application in the system in the car .

基于小波分析的DSSS系统伪随机码捕获判定方法的研究

The Study of PN Code Acquisition Detection Method for DSSS Based on Wavelet Analysis

本文介绍一种采用国产ECL器件实现的高速伪随机码发生器。

This paper describes a high speed pseudorandom code generator developed by using China-made ECL devices .

伪随机码与Hadamard矩阵

Pseudo-random Sequences and Hadamard Matrices

完成了10Gbit/s伪随机码序列的PMD动态补偿的实验，给出补偿前后的眼图。

Secondly , experiments of dynamic compensation are well done for PMD of 10Gbit / s pseudo random sequences .

直扩系统中伪随机码序列调制的DPSK调制器

PN Code Sequence Modulated DPSK Modulator in DS-SS System

在扩频通信系统中，伪随机码（PN）性能的优劣将直接关系到系统性能的好坏。

In spread spectrum communication system , the capability of pseudo-noise ( PN ) code can impact the performance of the whole system directly .

采用用户伪随机码调制参考脉冲，通过模拟LMS反馈迭代获得最优的检测模板。

It modulates the reference impulse by user pseudo-random code , and uses analog LMS feedback to obtain the optimal detection template .

伪随机码（PN）具有良好的相关性和伪随机性，在第三代移动通信系统中起着重要作用。

PN ( Pseudo Noise ) code has good correlation and pseudo-randomness , which plays an important role in the third generation mobile communication system .

NRZ伪随机码序列同步时钟提取

Obtaining the NRZ False Random Code Synchronous Clock

OTDR中伪随机码应用的新方法

Pseudorandom Code Application in OTDR

从伪随机码产生的原理出发，通过分析伪随机码的产生过程，并结合实际，借助MATLAB语言将窗口法实现。

In this paper , the theory of Pseudo Noise Code is introduced , the generation process of Pseudo Noise Code is analyzed , and the window method is realized in virtue of Matlab language .