【摘要】 为获得大范围地表温度的变化以及对周围环境影响的基础数据,实现远距离多点实时地表温度的监测,采用基于ZigBee组网的无线传感器网络和通过GPRS实现远距离数据传输的方式构建了大面积地表温度检测系统。重点介绍了基于ARM9系统的无线传感器网络的软硬件结构,详细分析了系统电路的工作原理及软件工作流程,通过自行设计的无线数据传输协议,保证了通信的可靠性和数据采集的实时性,实现了远程多点数据实时采集与回传。实测数据与分析表明,该系统工作稳定、性能可靠。更多还原

【Abstract】 In order to obtain the basic data of changing with a wide range of surface temperature and impacting on the surrounding environment, the surface temperature detection system is constructed based on the ZigBee networking sensors and transmission through GPRS implements the remote multipoint real time detecting.The analysis of the whole system hardware and software structure based on ARM9 controller is the key point.And its technology application,circuit working principle and software workflow are introduced,a communication protocol of wireless transmission is provided to ensure the reliable communication and real-time data acquisition,with the remote multipoint real time data detection and pass back realized.Through the measured data and analysis,the result shows that this system is stable and reliable in performance.更多还原