gps导航工具包，可用于分析GPS误差，伪距及导航融合算法-This report include the review of • Principle of Radio Navigation: navigation base on trilateration has been investigated and the over determined Eq. for navigation has been solved. • GPS Ephemeris Data

用于组合导航系统中关于INS和GPS的MATLAB仿真，详细分析组合导航的模型建立-For the integrated navigation system on the INS and GPS, MATLAB simulation, a detailed analysis of integrated navigation model building