规范的现代sim508z（EN）_sim508z_spec

calculate satellite positions, to correct pseudoranges and finally to calculate the receivers position。-calculate satellite positions, to correct pseudoranges and finally to calculate the receivers position.

在VC环境下的模拟运行,测试全通过,我很长时间才调试通过的-VC environment in the simulation is running, testing through the whole, I am very long time to debug through the

gps的开发程序，出自吉大的高手，gis开发是目前非常有前途的一个方向。-the development process, from the Kyrgyzstan big players and gis development is a very promising direction.

概述了 GPS 全球定位系统的基本原理 系统组成 着 重介绍了通讯码制 C/A 码和P码 然后介绍了 GPS 定位系统在本 人正在进行的课题 陆地自主车和半自主遥控导弹靶车两个系统中 的应用 并给出一个 GPS 信号接收和处理的 C 源程序-Provides an overview of GPS global positioning system composed of the basic principles of the system focused on communication code system for C/A code and P code and then introduce a GPS positioning system issues in my ongoing autonomous land vehicles and semi-autonomous remote-controlled missile target vehicle the two systems application and given a GPS signal receiving and processing the C source code

GPS receive program,use AT89c51,displayed by 1602lcd.

GPS卫星定位模块说明及原理介绍。程序设计及编程员代码-GPS satellite positioning module description and principles of description. Program design and programmer code

guGPS提供一个自由而升级为基于位置的服务移动客户端，它就像一个RSS阅读器基于GPS localization-guGPS provide a free and upgradable mobile client for Location Based Services, it is like a RSS-reader based on gps localization.

测试gps接受设备正确性代码.运行exe文件后,可以查看到通讯设备是否正常-gps acceptance testing equipment correctness code. Run exe file, they can check whether the communications equipment to normal

Subroutine for computing an Ionospheric range correction for the GPS L1 frequency from the parameters broadcasted in the GPS  Navigation Message. 

This document provides a good knowledge on how GPS receivers work