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An antipodal vivaldi antenna design for torso imaging in a coupling medium

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Proceedings Paper (3.945Mb)

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info:eu-repo/semantics/closedAccess

Date

2021

Author

Joof, Sulayman
Doğu, Semih
Bilgin, Egemen
Çayören, Mehmet

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Citation

Joof, S., Dogu, S., Bilgin, E., & Cayoren, M. (MAR 22-26, 2021). An Antipodal Vivaldi Antenna Design for Torso Imaging in a Coupling Medium. 2021 15th European Conference on Antennas and Propagation (EuCAP). p. 1-3. https://doi.org/10.23919/eucap51087.2021.9411436

Abstract

An antipodal Vivaldi antenna designed to operate in a coupling medium with a relative dielectric constant of epsilon(r) = 25 for microwave imaging of torso is presented in this paper. The proposed antenna is similar to the conventional antipodal Vivaldi antenna but with optimized parameters to radiate in the desired coupling medium. The antenna has a size of 120x70 mm(2) and operating over 230-1000 MHz frequency bandwidth with a peak gain of 5.42 dBi and peak front-to-back ratio of 143 dB. The designed antenna shows a better performance compared to other antennas used for microwave torso imaging. To assess the actual performance, a realistic human torso phantom is implemented to detect the water accumulation in the lungs, and as the inversion method linear sampling method is used. The 3-D reconstruction results show that the proposed antenna can be a candidate for microwave torso imaging applications.

URI

https://doi.org/10.23919/eucap51087.2021.9411436
https://hdl.handle.net/20.500.11779/1536

Collections

  • Araştırma Çıktıları, Scopus İndeksli Yayınlar Koleksiyonu [455]
  • Araştırma Çıktıları, WOS İndeksli Yayınlar Koleksiyonu [482]
  • MF, EEM, Bildiri ve Sunum Koleksiyonu [28]



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