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select_satellite
- 用于GPS定位，载入强机动运动载体，实时进行跟踪，并显示所用定位卫星个数及编号。采用的算法参照其中的PDF文档编写，令有模糊选星法。可以显示不同选星方法的GDOP值及选星所用时间-Used for GPS positioning, strong motor moving vehicle load, real-time tracking, and display the number of satellites used for positioning and number. Algorithm
algorithm_selecting_satellite
- GPS定位中调用的选星子程序，依据每颗卫星贡献的GDOP值的大小进行选星，其中又分为递推选星和直接选星。考虑到机动载体存储空间限制，选星为4颗或6颗。而6颗卫星的GDOP值更接近所有卫星时的值，且计算量小。-GPS positioning called planetesimals selection process, based on the contribution of each satellite GDOP value of the selected size of stars, whic
GPSTDOA
- 基于TDOA的GPS混合定位 并且计算了GDOP值-GDOP values and calculated TDOA-based GPS hybrid positioning
GPScal
- 采用最小二乘原理，进行了伪距单点定位计算；包含广播星历计算计算卫星坐标，地固系与WGS84坐标系间转换，最小二乘平差计算，定位几何因子GDOP等-Using least square method, we carried out pseudorange single point positioning calculation contains satellite ephemeris calculation calculate coordinates secured between the sy
3
- 利用GDOP来实现无线通信当中的基站与移动终端之间通信的三维定位的有效预测。-GDOP is used to realize wireless communication between base station and mobile terminal of communication of three dimensional positioning prediction effectively.
LonLat2XY
- 经纬度坐标系与直角坐标系转换，可用于测绘、定位计算(Coordinate system of latitude and longitude and transformation of Cartesian coordinate system)