基于RBF神经网络的土壤含水量传感器标定方法.pdf

AgriculturalScience&Technology,2010,11(2):140-142
Copyright 2010,. AgriculturalInformation
works
forSoilMoistureContentSensor
YANG Jingfeng1,4,LITing2,LUQifu1,3,CHENZhimin3
,Guangzhou510656;,Zhongshan528436;
ourses,SCAU,Guangzhou510642;.,Shun
de528305
Abstract Temporalandspatialvariationofsoilmoisturecontentissignificantforcropgrowth,
eshortageofnon
putationalefficiency,workcalibrationmethodofsoilmoisturecontentbasedonTDR3soilmoisturesensor
,simpleandpractical,andprovidesaneffective
methodforrealtimemonitoringofsoilmoisturecontent.
Keywords CalibrationModel;SoilMoistureSensor;works;works
Measurementmethodsofsoilmoisturehaveremoteand byShenlianTechnology(Ningbo);Switchingvoltage
intellectivedevelopmentrecently,andthemethodsareused stabilizingpowersupply(220Vofinputvoltage,5Vofoutput
forsolvingthecontradictionsbetweentheareasoflandneed voltage,1000mA);Lateriticsoilwaspurchasedfrom Zhan
measuredaresobroadandthemultisitetestingwithinashort jiangofGuangdongprovinceandtreatedbydryingat110℃
 for8hours;Severalnumberedcups;Tableweighting(the