无线定位车载终端系统软件设计与实现

Design and Realization of Vehicle Terminal System based on Zigbee Wireless Location

为了能够解决地铁在隧道内的无线定位,系统采用ZigBee三边无线定位技术,求解列车当前位置、时速等信息。通过对车载设备进行分析与构架,完成与实现了一个具有实时地图显示、语音报站等功能的无线定位车载终端系统。实验表明,所设计系统能够完成车载系统的数据采集、分析处理和呈现。该终端系统界面友好,提出的卷轴算法具有一定的高效性和实用性,采用的语音报站系统具有一定的独创性,其设计理念具有一定的参考意义。

In order to solve the problem of wireless location the subway in a tunnel,Zigbee wireless location technology of three-point positioning is taken to get the current position,speed and other information of the train.Analysis and architecture are practiced to complete and implement wireless location-vehicle terminal system with functions of real-time map display,voice announcement etc.The experiments show that the system is able to complete functions of data acquisition,processing,and presentation.The system has a friendly user experience, and the scroll algorithm which is designed has a certain degree of efficiency and practicality,the Voice announcement system has a certain originality,and its design concept has certain reference significance.