【摘要】 为方便车辆管理和提高汽车的安全性、稳定性,改进车载定位系统的性能,满足普通用户的定位需求,设计了一种应用GPSOne混合定位技术的新型嵌入式车载定位终端系统。该系统使用基于ARM7核的32位微处理器LPC2131作为控制核心,提高了硬件实时响应能力,移植嵌入式实时操作系统μC/OS-Ⅱ实现多任务管理,降低了软件设计的复杂性,并采用FD800 CDMA模块实现系统的通信及GPSOne定位功能,同传统的定位系统相比,该系统具有体积小、功耗低、成本低、定位精度高、定位速度快、通信费用低、稳定性高等特点。更多还原

【Abstract】 In this paper,a new kind of embedded vehicle position terminal system applying GPSOne position technology is designed,which is convenient for the management,increases the stability and security of vehicle,and caters for positioning need of the common customers.This system uses 32-bit MCUs LPC2131 based on ARM7 core to enhance ability of real-time response,ports embedded real-time operating system μC/OS-II realizing the management of multitasks to reduce the complexity of software design,and adopts the FD800 CDMA module implementing communication and GPSOne position.Compared with the traditional position system,this system is characterized with such qualities as little cubage, low power,low cost,high position accuracy,high position speed,low telecommunication cost and high stability.更多还原