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A Microwave Resonant Sensor for Concentration Measurements of Liquid Solutions (Articolo in rivista)
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- Label
- A Microwave Resonant Sensor for Concentration Measurements of Liquid Solutions (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1109/JSEN.2013.2244035 (literal)
- Alternative label
Gennarelli G, Romeo S, Scarfì MR, Soldovieri F (2013)
A Microwave Resonant Sensor for Concentration Measurements of Liquid Solutions
in IEEE sensors journal
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- Gennarelli G, Romeo S, Scarfì MR, Soldovieri F (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Natl Res Council Italy, Inst Electromagnet Sensing Environm, I-80124 Naples, Italy (literal)
- Titolo
- A Microwave Resonant Sensor for Concentration Measurements of Liquid Solutions (literal)
- Abstract
- This paper presents the design, fabrication, and characterization of a microwave resonator as a tool for concentration measurements of liquid compounds. The sensing device is a rectangular waveguide cavity tuned at 1.91 GHz, which exploits the fundamental TE101 mode in a transmission-type configuration. The coupling structure is optimized by means of a finite element code so as to achieve a high Q-factor. According to the type of substance inside the mixture, its concentration is conveniently related to changes of the S-21 scattering parameter ( transmission coefficient) in terms of: 1) resonance frequency; 2) 3-dB bandwidth; and 3) amplitude at the resonance frequency. Experimental tests on liquid solutions in controlled conditions are presented to evaluate the performance of the device. (literal)
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