Exploring moisture content measurement using an open-ended coaxial sensor: A method of moments approach

被引：0

作者：

Soleimani, Hojjatollah ^{[1
]}

Sikiru, Surajudeen ^{[2
]}

Abbas, Zulkifly ^{[3
]}

Soleimani, Hassan ^{[4
]}

Kumar, Niraj ^{[5
]}

Rotami, Amir ^{[4
]}

机构：

[1] Islamic Azad Univ, Dept Phys, North Tehran Branch, Tehran 1651153311, Iran

[2] Univ Teknol MARA, Fac Appl Sci, Sch Phys & Mat Studies, Shah Alam 40450, Selangor, Malaysia

[3] Xiamen Univ, Dept Elect & Elect Engn, Xiamen, Malaysia

[4] Univ Teknol PETRONAS, Res Innovat & Commercializat, Seri Iskandar 32610, Malaysia

[5] Graph Era Deemed be Univ, Dept Elect & Commun Engn, Dehra Dun 248002, India

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2024年 / 367卷

关键词：

Method of moments; Open-ended coaxial sensor; Moisture content; Reflection coefficient; PERMITTIVITY; CALIBRATION;

D O I：

10.1016/j.sna.2023.114990

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Continuous measurement of the material's relative moisture content (m.c) is an important duty in industrial process control. However, current techniques only provide the absolute amount of water in the sample container, and (m.c of corn) is obtained from an extra mass measurement. The investigation of the dielectric behavior of moist matter at microwave frequencies using an open-ended coaxial sensor, as well as the relationship of reflection coefficient and moisture content for frequencies ranging from 1 GHz to 5 GHz via MOM and measurement, and thus the comparison of results, confirms the superiority of Method of Moment (MOM), due to benefits such as low cost and non-harmful to the sample materials. The basic concept is explored, and the results of experiments using maize as the medium are shown.

引用

页数：10

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