基于ARM9和GPRS通信的地表温度检测系统研究
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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。
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.
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.
引文
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[2]许国鹏,李仁东,刘可群,等.基于MODIS数据的湖北省地表温度反演研究[J].华中师范大学学报(自然科学版),2007,41(1): 143-147.
[3]陈顺云,刘墙洵,刘力强,等.遥感与实测地表温度的对比分析及在地震研究中的应用[J].地球物理学报,2011,54(3):747-755.
[4]杨化峰,宋良图.基于GPRS农田数据采集系统设计与实现[J].农业网络信息,2005,5(5):32-37.
[5]李璐.基于GPRS网络的嵌入式远程抄表系统的研究与设计[D].青岛:青岛科技大学,2010.
[6]史博研.基于基于ZigBee技术的嵌入式无线温度报警系统[J].自动化技术与应用,2011,30(12):81-83.
[7]刘鸣,蒋新颖,姚雪峰.基于DS18B20多点温度采集和无线传输[J].电子元件与材料,2005,2(2):54-57.
[8]潘勇,孟庆斌.基于DS18B20的多点温度测量系统设计[J].传感器技术,2008,8(9):91-93.
[9]赵睿,马殷元.多点高速同步温度采集系统的设计[J].铁路计算机应用,2011,20(4):37-39.
[10]陈莉莉,杨雪莹,周宁轩.基于ARM的温度监控系统设计[J].信息技术,2012,(4):36-39.
[11]YUAN Yi,SU Honggen.The study of wireless network applications based on ZigBee technology[J].Computer Applications and Software, 2004,6(5):89-91.
[12]AHMET R,HASAN A.Channel estimation by using short training sequences in CDMA systems[J].Wireless PersonalCommunications, 2008,3(4):359-371.
[13]张敏,张荣霞,王新燕.聊城市地面温度与气温的相关分析[J].山东气象,2005,25(4):19-20.
[14]孙俊燕,祝晓红,庞涛,等.百叶箱内温度与露天温度的实况对比分析[J].安徽农学通报,2009,15(24):145-146.
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