本书讲述了全球定位系统GPS的基本原理和概念。具体包括GPS测量原理，GPS的结构和发展历史.GPS伪距定位和载波相位定位的原理GPS中使用的坐标系和时间系统,C/A码的实现原理及载波调制过程，GPS信号捕获和跟踪原理及实现.便携式GPS系统的设计与实现及常用芯片资料等。-This book describes the basic principles and concepts of the Global Positioning System (GPS). Including the structure and history of the development of the principle of GPS measurements, GPS the GPS pseudorange positioning and carrier phase positioning principle of GPS coordinate system and time system, the realization of the principle of the C/A code and carrier modulation process, GPS signal acquisition and tracking Design and Implementation of the principle and implementation of portable GPS systems and common chip data.