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面向車載式測量的土壤含水量與電導(dǎo)率復(fù)合傳感器設(shè)計
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On-the-go Measurement Oriented Combined Sensor Design for Soil Moisture Content and Electrical Conductivity
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    摘要:

    基于介電方法設(shè)計了符合車載測量要求的四環(huán)電極結(jié)構(gòu)土壤含水量與電導(dǎo)率復(fù)合傳感器,。分別在NaCl電導(dǎo)率溶液,、含水土樣和混合土樣中進行標定試驗分析,，結(jié)果證實了復(fù)合傳感器的可行性,。通過分析混合土樣中含水量和電導(dǎo)率與傳感器輸出信號之間的相關(guān)性,，分別建立土壤含水量與電導(dǎo)率的統(tǒng)計預(yù)測模型,。

    Abstract:

    A combined sensor for soil moisture content (MC) and electrical conductivity (EC) with 4-ring electrode was developed, based on the dielectric theory. The calibration tests with NaCl solution, moist soil sampler and mixed soil sampler were conducted. The results demonstrated that the combined sensor could response the variation of soil MC and EC. By means of analyzing the outputs of 4-ring sensor in mixed soil sampler, statistical prediction models for soil MC and EC were established, respectively. 

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曾慶猛,馬道坤,林劍輝,Schulze Lammers P,孫宇瑞.面向車載式測量的土壤含水量與電導(dǎo)率復(fù)合傳感器設(shè)計[J].農(nóng)業(yè)機械學(xué)報,2010,41(9):163-167. On-the-go Measurement Oriented Combined Sensor Design for Soil Moisture Content and Electrical Conductivity[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(9):163-167.

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