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首页> 外文期刊>Australian Journal of Crop Science >Microwave antenna sensing technique for determination of moisture content in Hevea Latex from Hevea Brasiliensis tree
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Microwave antenna sensing technique for determination of moisture content in Hevea Latex from Hevea Brasiliensis tree

机译：微波天线传感技术测定巴西橡胶树的橡胶树胶乳中的水分

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摘要

This paper presents microwave antenna sensing technique for determination of moisture content in hevea latex from Hevea brasiliensis tree. The measurement set-up includes computer-controlled Professional Network Analyzer (PNA) (model N5230A) and monopole antenna. The relationship between reflection coefficient magnitude and moisture content in hevea latex was investigated from 2.2 GHz to 2.7 GHz. The linear functional relationship between reflection coefficient magnitude and moisture content at 2.30 GHz was used to estimate the amount of moisture content in hevea latex as well as the sensitivity and linearity of the antenna in the measuring process. Significant correlation between predicted and measured values of reflection coefficient suggests the potential of this technique for determination of moisture content in hevea latex. This technique can also estimate the amount of moisture content in hevea latex within the performance similar to commercial moisture meters.
机译：本文提出了一种微波天线传感技术，用于测定巴西橡胶树的橡胶树中的水分含量。测量设置包括计算机控制的专业网络分析仪（PNA）（型号N5230A）和单极天线。研究了从2.2 GHz到2.7 GHz橡胶树胶乳中反射系数幅度与水分含量之间的关系。使用反射系数幅度与2.30 GHz处的水分含量之间的线性函数关系来估算橡胶树胶乳中的水分含量以及测量过程中天线的灵敏度和线性。反射系数的预测值与测量值之间的显着相关性表明，该技术可能用于确定橡胶树胶乳中的水分含量。该技术还可以在类似于商用水分计的性能范围内估算橡胶树胶乳中的水分含量。

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