地表面无线传感器网络定位系统研究的中期报告摘要：本研究的目标是设计和实现一个地表面无线传感器网络定位系统。本中期报告介绍了已经完成的工作，包括节点部署、节点位置测量和信号参数测量。节点部署采用了随机方法和密集方法，通过现场实验分析表明随机方法部署效果较好。节点位置测量采用了三角测量法，测量结果表明误差在0.5米范围内。信号参数测量采用了射频信号分析仪和网格测量方法，得到了节点之间的信号参数，为后续节点定位提供了基础数据。关键词：无线传感器网络；定位系统；节点部署；节点位置测量；信号参数测量。Abstract:Thegoalofthisresearchistodesignandimplementagroundsurfacewirelesssensornetworkpositioningsystem.Thismidtermreportintroducesthecompletedwork,includingnodedeployment,nodelocationmeasurement,andsignalparametermeasurement.Nodedeploymentusesbothrandomanddensemethods,andfieldexperimentsshowthattherandommethodproducesbetterresults.Nodelocationmeasurementusestriangulation,andthemeasurementresultsshowthattheerroriswithin0.5meters.SignalparametermeasurementusesanRFsignalanalyzerandgridmeasurementmethodtoobtainsignalparametersbetweennodes,providingbasicdataforsubsequentnodepositioning.Keywords:wirelesssensornetwork;positioningsystem;nodedeployment;nodelocationmeasurement;signalparametermeasurement.