Precise Moisture Monitoring for Various Soil Types Using Handheld Microwave-Sensor Meter

You K.Y.; Lee C.Y.; Then Y.L.; Chong S.H.C.

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Precise Moisture Monitoring for Various Soil Types Using Handheld Microwave-Sensor Meter

机译：使用手持式微波传感器精确监测各种土壤湿度

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A handheld microwave reflectometer-sensor system is developed to operate from 1.35 to 1.95 GHz and used to measure volumetric and gravimetric moisture content in various types of soils from 0% to 45%. A small monopole driver from coaxial line is buried into the soil, and its reflected voltage is measured and correlated with corresponding soil moisture content obtained from oven dying method. The measured reflected voltage is dependent on the nonlinear change of dielectric properties of the soil with the moisture content.

机译：开发了一种手持式微波反射计-传感器系统，其工作频率为1.35至1.95 GHz，用于测量0％至45％的各种类型土壤中的体积和重量水分含量。将来自同轴线的小型单极驱动器埋入土壤中，并测量其反射电压，并将其与通过烤箱染色法获得的相应土壤水分含量相关联。测得的反射电压取决于土壤的介电特性随水分含量的非线性变化。

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来源
《IEEE sensors journal》 |2013年第7期|2563-2570|共8页
作者
You K.Y.; Lee C.Y.; Then Y.L.; Chong S.H.C.;
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作者单位

Communication Engineering Department, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, UTM Skudai, Malaysia|c|;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Frequency domain reflectometry; RF handheld reflectometer; monopole sensor; reflected voltage; relative permittivity of soil; soil moisture;

机译：频域反射法;RF手持式反射仪;单极传感器;反射电压;土壤相对介电常数;土壤湿度;

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Precise Moisture Monitoring for Various Soil Types Using Handheld Microwave-Sensor Meter

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