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面向精確灌溉的無線傳感器網(wǎng)絡(luò)構(gòu)建
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    摘要:

    從灌溉需求和固定管道式噴灌系統(tǒng)的結(jié)構(gòu)特點出發(fā)，設(shè)計了一個兩層無線傳感器網(wǎng)絡(luò)（WSN）體系結(jié)構(gòu)；通過分析傳感器傳感半徑和噴頭射程之間的關(guān)系，從理論上得到了完全感知覆蓋田塊所需要最少傳感器數(shù)的表達式及部署方法；結(jié)合網(wǎng)絡(luò)結(jié)構(gòu)和節(jié)點分工，給出了數(shù)據(jù)的傳輸方式，并通過分層故障診斷的方法確保數(shù)據(jù)傳輸?shù)目煽啃?。研究表明該網(wǎng)絡(luò)的通信是可行的。

    Abstract:

    A system structure for two-layer wireless sensor networks (WSN) was designed to meet the requirements of precision irrigation and characteristics of fixed pipeline type sprinkler irrigation system. Through analyzing the relation between sensor's detection radius and sprinkler’s range, two analysis expressions for minimum number of nodes were theoretically educed under circumstances of full coverage in a region. Combining network structure with nodes assignment, a data transmission mode was presented, and data transmission reliability was guaranteed by fault diagnosis with classifying management. The preliminary research indicates that communication via this network is feasible.

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馮友兵,張榮標,沈敏.面向精確灌溉的無線傳感器網(wǎng)絡(luò)構(gòu)建[J].農(nóng)業(yè)機械學(xué)報,2009,40(1):56-59.[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(1):56-59.

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