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Input resistances of small normal-mode helical antennas in dielectric materials

Baharin, R.H.B.M. and Yamada, Y. and Kamardin, K.B. and DInh, N.Q. and Michishita, N. (2017) Input resistances of small normal-mode helical antennas in dielectric materials. In: 2017 IEEE Asia Pacific Microwave Conference, APMC 2017, 13 November 2017 through 16 November 2017.

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Abstract

Recently, normal-mode helical antennas (NMHA) are expecting for radio wave sensor antennas used in a human body. Now, electrical characteristics of NMHA can be obtained through electromagnetic simulator calculations. However, for obtaining antenna performances conveniently, fundamental antenna parameters such as antenna input impedance, radiation resistance and ohmic loss resistance are better to be expressed by equation forms. In this paper, equations of these three types of resistances are deduced theoretically for antennas placed in dielectric materials. Effectiveness of equations is ensured through comparing equation results with electromagnetic simulation results. © 2017 IEEE.

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculties > Faculty of Radio-Electronic Engineering
Identification Number: 10.1109/APMC.2017.8251667
Uncontrolled Keywords: Electromagnetic simulation; Electromagnets; Helical antennas; Antenna input impedance; Antenna parameters; Antenna performance; Electrical characteristic; Electromagnetic simulators; Input resistance; Normal mode helical antennas; Radiation resistance; Dielectric materials
Additional Information: Conference code: 134147. Language of original document: English.
URI: http://eprints.lqdtu.edu.vn/id/eprint/9717

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