功能极全的GPS开发工具箱，其中包括了日常用到的各种函数或者公式的实现，如DOp值计算，定位，滤波等，加上Matlab平台的强大功能，会让你在开发程序或者验证算法时研发速度大大增加。-This software allows you to perform a variety of mathematical, scientific, and engineering calculations related to the GPS applications quickly and easily,

m程序关于gnss信号的跟踪与捕获，是非常全面的-m procedures on gnss signal tracking and capture, is very comprehensive

全英文的电子书，教会我们如何用Java编写GPS程序-E-books in English, teach us how to program in Java GPS