摘要
介绍了基于WSN的传感器节点自组网、数据采集与数据传输等设计方法,实现了温室大棚内温湿度的实时采集、数据处理与传送。尤其是利用DS1305外部中断解决了WSN中的低功耗设计与时间同步问题,并且应用移动平滑滤波算法对温湿度值进行数字滤波处理,提高了检测数据的精确度。该系统解决了温室内的复杂布线问题,具有成本低、可靠性高、精确度高、实用性强等优点。
This paper introduced the design method to accomplish network construction,data acquisition and transmission by sensor notes based on WSN,including the real-time data acquisition,data processing and transmission of the temperature and humidity in greenhouse.Especially,it used the external interruption of DS1305 to solve the low power design with time synchronization problem of WSN,and the application of the mobile smoothing of filtering algorithm processing temperature and humidity value,improve the testing data accuracy.The system can solve the problem of complex cabling,with the advantages of low cost,high reliability and precision,and practicability advantages.
出处
《仪表技术与传感器》
CSCD
北大核心
2010年第10期45-48,共4页
Instrument Technique and Sensor
关键词
无线传感器网络
温湿度
时间同步
移动平滑滤波算法
WSN
temperature and humidity
time synchronization
mobile smoothing of filtering algorithm
