ranging code

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.

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。

互联网摘选

Secondly, it introduces the frequency selection, EMC ( Electromagnetic Compatibility), the basic generation theory and modulation of the third civil signal ( L5 signal), including LS ranging code, Forward Error Correction, QPSK modulation and Neuman.

其次，介绍了其信号的频段选择、电磁兼容性及其调制和产生的基本原理，包括L5测距码、卷积码、QPSK调制以及Neuman。

互联网摘选

Otherwise, the target code can be anything expressible in the Java language, ranging from self-contained microbenchmarks to code that calls a full application.

除此之外，目标代码可以是能够用Java语言表达的任何代码，包括自我包含的微基准测试和调用整个应用程序的代码等等。

互联网摘选

In order to determine relative positions between satellites and the attitudes of satellite of formation constellation, like-GPS carrier phase was added in based on former study of states determination combining with carrier phase differential GPS ( CDGPS) and like-GPS ranging code.

为了确定编队星座的星间相对位置和卫星姿态，在原有联合GPS差分和类GPS伪距进行状态确定的研究基础上，进一步加入了类GPS载波差分信息。

互联网摘选

Finally, by comparing the selected ranging-codes with GPS C/ A codes on the assignable code number and auto-and cross-correlation features, the advantage of the selected ranging-codes and the feasibility of the algorithm can be illustrated preliminarily.

通过对比分析优选测距码与GPS C/A码的可分配码数量、自相关及互相关函数特性，初步说明优选测距码的优越性及其优选算法的可行性。

互联网摘选

The Deep Space 3 is a proposed mission by NASA within the New Millennium Program. This paper primarily studies the relative state parameters autonomous determination of three satellites formation of the Deep Space 3 using inter-satellite relative measurements of like-GPS carrier phase and a ranging code onboard.

以NASA新千年计划中的深空计划3为背景，使用星载类GPS的伪距和载波观测数据，研究利用编队卫星间相对测量，高精度自主确定三星编队星座相对状态的有关问题；

互联网摘选

Research on Space Pseudo Code Ranging Based on AOS Recommendation

基于AOS建议的伪码测距研究

互联网摘选

According to actual needs, the thesis identifies specific parameters of code system and select JPL rapid capture based on m-m composite sequences as ranging code signals of the system.

根据实际需要论证了码制的具体参数，选择了基于m-m复合序列生成的JPL快捕码作为系统的测距码信号。

互联网摘选

A design of spread spectrum and ranging code in radio measurement and its control system are given in the paper.

本文给出了无线电测控系统中扩频和测距编码的设计方法。

互联网摘选

A Study on the PRN Ranging Code of Satellite Navigation Systems

卫星导航定位系统中伪随机码的研究

互联网摘选