Finite Difference Analysis of an Open-Ended, Coaxial Sensor Made of Semi-Rigid Coaxial Cable for Determination of Moisture in Tenera Oil Palm Fruit

Cheng E. M.; Abbas Z.; AbdulMalek MohamedFareq; Lee K. Y.; You K. Y.; Khor S. F.; Hassan J.; Zainuddin H.

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Finite Difference Analysis of an Open-Ended, Coaxial Sensor Made of Semi-Rigid Coaxial Cable for Determination of Moisture in Tenera Oil Palm Fruit

机译：半刚性同轴电缆制成的开放式同轴传感器的有限差分分析，用于测定特内拉油棕榈果中的水分

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In this paper, the use of the Finite Difference Method (FDM) is proposed to determine the reflection coefficient of an open-ended coaxial sensor for determining the moisture content of oil palm fruit. Semirigid open-ended coaxial sensor is used in conjunction with Vector Network Analyzer for reflection coefficient measurement of oil palm fruit. Moisture content in oil palm fruit determine optimum harvest time of oil palm fruit. Finite difference method is then used to simulate measured reflection coefficient due to different moisture contents in oil palm fruit at various stages of ripeness. The FDM results were found to be in good agreement with measured data when compared with the quasi-static and capacitance model. Overall, the mean errors in magnitude and phase for the FDM were 0.03 and 3.70 degrees, respectively.

机译：在本文中，提出了使用有限差分法（FDM）来确定用于确定油棕果实水分含量的开放式同轴传感器的反射系数。半刚性开放式同轴传感器与Vector Network Analyzer结合使用，可测量油棕果的反射系数。油棕果中的水分含量决定了油棕果的最佳收获时间。然后使用有限差分法来模拟在成熟的各个阶段，由于油棕果实中水分含量不同而导致的实测反射系数。与准静态和电容模型相比，FDM结果与测量数据非常吻合。总体而言，FDM的幅度和相位平均误差分别为0.03和3.70度。

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来源
《Applied Computational Electromagnetics Society journal》 |2016年第10期|1181-1192|共12页
作者
Cheng E. M.; Abbas Z.; AbdulMalek MohamedFareq; Lee K. Y.; You K. Y.; Khor S. F.; Hassan J.; Zainuddin H.;
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作者单位

Univ Malaysia Perlis, Sch Mechatron Engn, Pauh Putra Campus, Arau 02600, Perlis, Malaysia;

Univ Putra Malaysia, Fac Sci, Dept Phys, Serdang 43400, Selangor, Malaysia;

Univ Wollongong Dubai, Fac Engn & Informat Sci, Al Sufouh St, Dubai Knowledge Village, U Arab Emirates;

Tunku Abdul Rahman Univ, Fac Sci & Engn, Dept Elect & Elect Engn, Kuala Lumpur 53300, Malaysia;

Univ Teknol Malaysia, Fac Elect Engn, Radio Commun Engn Dept RaCED, Skudai 81310, Johor, Malaysia;

Univ Malaysia Perlis, Sch Elect Syst Engn, Pauh Putra Campus, Arau, Perlis 02600, Malaysia;

Univ Putra Malaysia, Fac Sci, Dept Phys, Serdang 43400, Selangor, Malaysia;

Univ Putra Malaysia, Fac Sci, Dept Phys, Serdang 43400, Selangor, Malaysia;

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正文语种 eng
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关键词
Finite difference method; moisture content; oil palm fruit; open-ended coaxial sensor; reflection coefficient;

机译：有限差分法;水分;油棕果;开放式同轴传感器;反射系数;

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专利

1. Effect of Aspect Ratio and Frequency of an Open-Ended, Coaxial Line on Admittance for Determination of Moisture in Tenera Oil Palm Fruit Using Finite Difference Method [J] . Cheng E. M., Abbas Z., Abdulmalek Mohamedfareq, Applied Computational Electromagnetics Society journal . 2018,第11期

机译：有限差分法测定长宽比和同轴度的长宽比频率对导纳法测定特内拉油棕果实水分的导纳的影响
2. Fast and Accurate Technique for Determination of Moisture Content in Oil Palm Fruits using Open-Ended Coaxial Sensor [J] . Zulkifly ABBAS, You Kok YEOW, Abdul Halim SHAARI, Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers . 2005,第7A期

机译：开放式同轴传感器快速，准确地测定油棕果实中的水分
3. Complex Permittivity and Moisture Measurements of Oil Palm Fruits Using an Open-Ended Coaxial Sensor [J] . Zulkifly Abbas, You Kok Yeow, Abdul Halim Shaari, IEEE sensors journal . 2005,第6期

机译：使用开放式同轴传感器的油棕果的复介电常数和水分测量
4. Analysis of wave reflection from open-ended coaxial lines and application to the measurement of soil moisture and salinity [C] . Yisok Oh, Yeon-Geon Koo . 1998

机译：开放式同轴线的波反射分析及其在土壤水分和盐分测量中的应用
5. Coaxial Cable Sensors Based on Fabry-Perot Interferometers and Their Applications in Distributed Sensing [D] . Cheng, Baokai. 2017

机译：基于法布里-珀罗干涉仪的同轴电缆传感器及其在分布式传感中的应用
6. Open-Ended Coaxial Dielectric Probe Effective Penetration Depth Determination [O] . Paul M. Meaney, Andrew P. Gregory, Jan Seppälä, -1

机译：开放式同轴介电探针有效穿透深度的确定
7. Analysis on monopole antenna for moisture determination in oil palm fruit using finite difference method [O] . Cheng, E. M., Abbas, Z., Rahim Samsuddin, H. A., 2016

机译：单极天线用于油棕果实水分测定的有限差分法分析
8. Coaxial Cable, Radio Frequency, Semi-Rigid, Delay Line Assemblies and Connectors. [R] . Bray, A. M. 1977

机译：同轴电缆，射频，半刚性，延迟线组件和连接器。

Finite Difference Analysis of an Open-Ended, Coaxial Sensor Made of Semi-Rigid Coaxial Cable for Determination of Moisture in Tenera Oil Palm Fruit

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