摘要
当前GPS定位技术广泛应用于车载定位系统中,但是它有诸多局限性,比如系统只有在良好接收四颗GPS卫星定位数据时才能提供准确的三维定位,基于此我们提出了一种基于CDMA1X通讯网络的GPS与GPSOne相结合的新型车载定位方案,在实现方案系统中我们研究了双模定位技术切换中需要考虑的一些判断准则,以及设计与实现了为克服双模切换引起的误差过大而提出的零位漂移算法。
Current GPS positioning technology is widely used in mobile positioning system, but it has many limitations, such as in order to provide accurate three-dimensional positioning the system must receive the positioning data of four GPS satellites. Based on this, we propose an approach based on CDMA 1X Communications GPS and GPSOne with a combination of new mobile positioning system. At realization of the program in the system, we make scientific researches on the two-mode switch positioning technology and some the judging criteria that the need to consider, as well as dual-mode switch to overcome errors caused by the excessive Zero Shift Algorithm Design and Implementation.
出处
《微计算机信息》
2009年第28期138-140,共3页
Control & Automation
基金
基金申请人:梁永生
项目名称:基于CDMA1X的GPS+GPSOne车载定位调度监控系统
基金颁发部门:广东省科学技术厅(2006A10102005)
