Estimation of Dielectric Property for Biological Tissues by Multi-Frequency Approximation

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Özet

This paper investigates a new method to calculate the dielectric property (DP) of biological tissues with the open-ended coaxial probes (OECP). The DP of tissues is a continuous function of frequency which can be represented with different dielectric relaxation models. Thus, the accuracy of DP measurements can be increased by enforcing such spectral continuity using the Cole-Cole model. A cost functional based on an admittance integral was calculated at the tip of the OECP. Then, Cole-Cole parameters ( epsilon_ infty, epsilon_s, tau, alpha and sigma) were applied into the admittance integral to solve a set of nonlinear equations. The OECP, biological tissues and calibration materials were simulated using Ansys HFSS simulation program from 0.5 to 6 GHz frequency range with 0.25 GHz steps (23 frequency points). Finally, the accuracy of results was compared with data obtained from literature.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığı2023 International Applied Computational Electromagnetics Society Symposium, ACES-Monterey 2023
YayınlayanInstitute of Electrical and Electronics Engineers Inc.
ISBN (Elektronik)9781733509633
DOI'lar
Yayın durumuYayınlandı - 2023
Etkinlik2023 International Applied Computational Electromagnetics Society Symposium, ACES-Monterey 2023 - Monterey, United States
Süre: 26 Mar 202330 Mar 2023

Yayın serisi

Adı2023 International Applied Computational Electromagnetics Society Symposium, ACES-Monterey 2023

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???event.eventtypes.event.conference???2023 International Applied Computational Electromagnetics Society Symposium, ACES-Monterey 2023
Ülke/BölgeUnited States
ŞehirMonterey
Periyot26/03/2330/03/23

Bibliyografik not

Publisher Copyright:
© 2023 ACES.

Finansman

This work has received funding from Health Institutes of Turkey (TUSEB) grant agreement 22724 and COST Action grant agreement CA18223.

FinansörlerFinansör numarası
TUSEB22724
Türkiye Sağlık Enstitüleri Başkanlığı
European Cooperation in Science and TechnologyCA18223

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