gps纠偏算法，适用于google,高德体系的地图；真实地址在百度地图、高德地图上的显示是有偏移的，为了真实现实在地图上必须进行地址转换，本程序完成从真实地址转为高德地址然后转换为百度地址；相反，可以从百度地址转为高德地址然后转化为真实地址。(GPS correction algorithm for Google system, High German map; real address displayed on the Baidu map, High German map is offset, in order to address translation must be true in reality on the map, the program from the real address to address and then converted to High German Baidu address; instead, from Baidu to address High German address and then into a real address.)