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A broadband annual dielectric loaded cylindrical dielectric resonator Antenna (ADLCDRA) is designed and analyzed in this paper. The proposed antenna has a simple structure of two parts providing the monopole-type radiation pattern. It has a wide impedance bandwidth of 55% covering the frequency range from 0.71 to 1.25GHz and has a low profile of 0.173 λ0 (λ0 is the wavelength of the center frequency).
A new feeding form is designed as a discontinued T-shaped in this paper. This paper also models a function with restrict conditions, a set of data is educed by optimizing nonlinear function, which is transformed through adding penalty function. At last, when the two-set coaxial impedance matching apparatus is fixed on the antenna, a comparison of simulator between the impedance and without it indicates...
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