【摘要】 开发了一套基于GPRS和GPS的危急呼救定位及路径跟踪系统,包括移动式呼叫装置,服务中心接收器和软件。该系统是能够随时随地发送呼救信息的移动式呼叫装置,可以实现"一键式"呼救,能够立即将用户的位置信息以短信及互联网的形式发送到服务中心,服务中心即时显示呼救者的个人信息并进行路径跟踪以备及时展开救援。更多还原

【Abstract】 The authors invent in this article a system for allocating and tracking based on GPRS and GPS,which includes a mobile call device,service center receiver and software.A mobile call device can send messages anytime and anywhere by a "one-click" call,which immediately sends the position information of the user to the service center.The service center will immediately display the personal information of the users and proceed to track for timely rescue.更多还原