实现无线电导航的原理，基于三边测量定位对导航和GPS（全球定位系统）的实现。同时实现了，GPS广播星历参数算法，电离层误差、对流层误差、卫星等仿真。 - GPS Navigation Toolbox GNT08.1.2 Principle of Radio Navigation: navigation base on trilateration has been investigated and GPS

针对无线传感器网络在节点均匀分布的情况下节点定位精度较差的问题，提出了三边质心定位算法．该算法利用节点均匀分布的先验信息将质心定位思想引入到三边测量法中-For wireless sensor network nodes uniformly distributed in the case of poor positioning accuracy node problem, a trilateral centroid localization algorithm. The algorithm us

基于Rssi的三边测量的定位算法，可以直接生成demo进行计算，十分方便-Rssi trilateral localization algorithm based measurements can be calculated directly generate demo, very convenient