Microwave Sensors and Their Applications in Permittivity Measurement
This paper reviews microwave sensors and their applications in permittivity measurement. The detection, diagnosis, classification, and monitoring without contact and invasion have been the subject of numerous studies based on permittivity characteristics tracking. This review illustrates many new ty...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-12-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/24/23/7696 |
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| author | Changjun Liu Chongwei Liao Yujie Peng Weixin Zhang Bo Wu Peixiang Yang |
| author_facet | Changjun Liu Chongwei Liao Yujie Peng Weixin Zhang Bo Wu Peixiang Yang |
| author_sort | Changjun Liu |
| collection | DOAJ |
| description | This paper reviews microwave sensors and their applications in permittivity measurement. The detection, diagnosis, classification, and monitoring without contact and invasion have been the subject of numerous studies based on permittivity characteristics tracking. This review illustrates many new types of research in recent years. Firstly, the application background is briefly introduced, and several main measurement methods are presented. An overview of measurement technology in various applications is compiled and summarized based on numerous typical examples. Exciting applications are compared and presented separately, combining resonator sensors with strong electric fields. Furthermore, differential signals represent trends for future applications with strong environmental immunity, an alternative option to expensive measuring equipment. With the alternation of metamaterials, microfluidics technologies, cross-technology, algorithms, and so on, sensors play an exceptionally prominent role in practical and low-cost applications. |
| format | Article |
| id | doaj-art-5d69daa4ced44383a1d3e4c5e83b15ab |
| institution | DOAJ |
| issn | 1424-8220 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj-art-5d69daa4ced44383a1d3e4c5e83b15ab2025-08-20T02:50:41ZengMDPI AGSensors1424-82202024-12-012423769610.3390/s24237696Microwave Sensors and Their Applications in Permittivity MeasurementChangjun Liu0Chongwei Liao1Yujie Peng2Weixin Zhang3Bo Wu4Peixiang Yang5School of Electronics and Information Engineering, Sichuan University, Chengdu 610064, ChinaSchool of Electronics and Information Engineering, Sichuan University, Chengdu 610064, ChinaSchool of Electronics and Information Engineering, Sichuan University, Chengdu 610064, ChinaSchool of Electronics and Information Engineering, Sichuan University, Chengdu 610064, ChinaSichuan Yibin Plastic Packaging Materials Co., Ltd., Yibin 644007, ChinaSichuan Yibin Plastic Packaging Materials Co., Ltd., Yibin 644007, ChinaThis paper reviews microwave sensors and their applications in permittivity measurement. The detection, diagnosis, classification, and monitoring without contact and invasion have been the subject of numerous studies based on permittivity characteristics tracking. This review illustrates many new types of research in recent years. Firstly, the application background is briefly introduced, and several main measurement methods are presented. An overview of measurement technology in various applications is compiled and summarized based on numerous typical examples. Exciting applications are compared and presented separately, combining resonator sensors with strong electric fields. Furthermore, differential signals represent trends for future applications with strong environmental immunity, an alternative option to expensive measuring equipment. With the alternation of metamaterials, microfluidics technologies, cross-technology, algorithms, and so on, sensors play an exceptionally prominent role in practical and low-cost applications.https://www.mdpi.com/1424-8220/24/23/7696microwave sensorpermittivity measurementdifferential signalsmetamaterialsmicrofluidicscross-technology |
| spellingShingle | Changjun Liu Chongwei Liao Yujie Peng Weixin Zhang Bo Wu Peixiang Yang Microwave Sensors and Their Applications in Permittivity Measurement Sensors microwave sensor permittivity measurement differential signals metamaterials microfluidics cross-technology |
| title | Microwave Sensors and Their Applications in Permittivity Measurement |
| title_full | Microwave Sensors and Their Applications in Permittivity Measurement |
| title_fullStr | Microwave Sensors and Their Applications in Permittivity Measurement |
| title_full_unstemmed | Microwave Sensors and Their Applications in Permittivity Measurement |
| title_short | Microwave Sensors and Their Applications in Permittivity Measurement |
| title_sort | microwave sensors and their applications in permittivity measurement |
| topic | microwave sensor permittivity measurement differential signals metamaterials microfluidics cross-technology |
| url | https://www.mdpi.com/1424-8220/24/23/7696 |
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