田间水分传感器网络在广州从玉菜场的应用

来源 :纪念中国农业工程学会成立三十周年暨中国农业工程学会2009年学术年会(CSAE2009) | 被引量 : 0次 | 上传用户:Gzliao2
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本文通过在广州从玉菜场的水分传感器网络监测田间水分的项目运作出发,介绍了水分传感器网络在田间监测的硬件节点设计、拓扑结构、通信方案、增加覆盖度的远程传输等具体实施方案。试验表明,所设计的无线水分传感器实现了低成本、低功耗,发射距离可以达到70 米以上,配备3 节电池后,按照间隔4 小时采集1 次水分数据的试验,网络节点生命期可以支持100 天左右。此外,分析实施过程中面临的一些困难以及相应的解决办法,进一步地探讨了无线传感器网络在我国精细农业中更大范围内应用的实施方案建议。
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