【摘要】 本文提出了一种用于车辆导航的地图匹配算法。通过对卡尔曼滤波后模型的误差特性分析，该算法可获得比通常相关性算法更好的精度，并经试验验证更多还原

【Abstract】 An improvement of map matching method for vehicle navigation system is presented.The algorithm can make better accuracy than correlation method through analyzing the error characteristic of Kalman filtering model.The result is verified by field tests.更多还原