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Characterisation of probe-fed dielectric resonator between parallel grounded plates
Description
Many kinds of dielectric resonator (DR) antennas have been investigated theoretically and experimentally in the literature. Also, as a resonator, a cylindrical homogeneous dielectric short-circuited at both ends by parallel grounded planes has been well-discussed. However, the consideration that a probe-fed dielectric resonator is short-circuited at its both ends by two parallel conducting plates, has not been conducted. The characterisation of this structure is investigated experimentally and theoretically. The cylindrical mode matching method (MMM) is applied to find the input impedance of this structure. The trapped and leaky modes of the resonator are considered. The study shows that as expected, the consideration of the effect of a probe length on the characteristics of a resonator is very important and necessary. The effect of DR dielectric constant and DR radius/height ratio on the input impedance are studied as well.
Journal
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- IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36194)
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IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36194) 3 1730-1733, 2002-11-27
IEEE