A Low-Cost Microwave-Based Sensor for Water Content Detection

被引：0

作者：

Bier, Igor ^{[1
]}

Hampe, Matthias ^{[1
]}

Zigon, Taylor ^{[2
]}

Leon-Salas, Walter ^{[2
]}

Harris, Michael ^{[3
]}

机构：

[1] Ostfalia Univ, Dept Elect Engn, Wolfenbuttel, Germany

[2] Purdue Univ, Sch Engn Technol, W Lafayette, IN 47907 USA

[3] Purdue Univ, Dept Chem Engn, W Lafayette, IN 47907 USA

来源：

2016 IEEE SENSORS | 2016年

关键词：

microwave; water content; moisture sensing;

D O I：

暂无

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：

This paper presents a water content sensor. The sensor operates by radiating an electromagnetic wave through an antenna and measuring the reflected field. The magnitude and phase of the reflected waves are used to determine the presence and amount of water. The sensor does not need a direct contact with the sample. Hence, it can be used in a conveyor system or in applications where direct access to the sample is not feasible. The proposed sensor uses low-cost components and easy-to-manufacture antennas. Experimental results with different antennas and water content are presented.

引用

页数：3

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