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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kumar, A. V. Praveen | - |
dc.date.accessioned | 2023-03-06T06:24:42Z | - |
dc.date.available | 2023-03-06T06:24:42Z | - |
dc.date.issued | 2020 | - |
dc.identifier.uri | https://ieeexplore.ieee.org/document/9023490 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9507 | - |
dc.description.abstract | This paper proposes a displacement sensor using a cylindrical dielectric resonator (DR) coupled to a pair of parallel, open-ended microstrip lines. This circuit enables displacement sensing through the measurement of the transmission coefficient (S 21 -parameter) between the microstrip lines. The sensor operates at a fixed frequency of ~ 3.7 GHz, which is the resonant frequency of the DR, excited in the TE 011+δ mode, by the coupling circuit. The displacement of the DR relative to the open ends of the microstrip lines changes the coupling coefficient (k) between the DR and the lines, resulting a change in the measured S 21 -parameter. In simulations, the variation of k with displacement is found to be nearly linear in the range of 1-10 mm. To demonstrate the sensor operation, a laboratory prototype of the sensor is fabricated and experimentally characterized using two different setups. The first setup uses a standard vector network analyzer (VNA), while the second setup has a less costly system comprising a signal generator and a power meter. Sensitivity plots (k vs displacement) generated from both the methods show good agreement with the simulated plot, demonstrating a linear range of 2-8 mm. | en_US |
dc.language.iso | en | en_US |
dc.publisher | IEEE | en_US |
dc.subject | EEE | en_US |
dc.subject | Coupling coefficient | en_US |
dc.subject | Cylindrical dielectric resonator | en_US |
dc.subject | Displacement sensor | en_US |
dc.subject | Microstrip line | en_US |
dc.subject | Transmission coefficient | en_US |
dc.title | A Transmission Mode Dielectric Resonator as a Displacement Sensor | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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