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Journal Article Radiation Performance Measurement of an Antenna Operating in Lossy Media
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Authors
Kwang-Jae Lee, Nam Kim, Seong-Ho Son
Issue Date
2020-01
Citation
Microwave and Optical Technology Letters, v.62, no.1, pp.387-390
ISSN
0895-2477
Publisher
Wiley
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1002/mop.32021
Project Code
19ZR1600, Development of Microwave Image Guide Technology for Microwave Thermotherapy Guide, Lee Kwang Jae
Abstract
This study presents the radiation performance measurements of an antenna operating in a lossy medium with a complex dielectric constant. The proposed measurement setup provides antenna peak gains and radiation patterns under a tissue equivalent liquid environment for a biomedical application. The antenna gain is calculated by the modified Friis transmission formula for the lossy medium consideration. A liquid thermostat is implemented to maintain a constant temperature of the liquid to achieve precise measurements. Overall, this article deals with the designs, experimental results, and validation of the proposed measurement setup.
KSP Keywords
Antenna gain, Biomedical applications, Complex Dielectric Constant, Constant temperature, Friis transmission formula, Liquid environment, Lossy media, Lossy medium, Measurement setup, Performance measurement, Precise measurement