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A kind of asymmetric V ridge waveguide is presented. Variations of the cut-off wavelength, single-mode bandwidth with the ridge dimensions and the ridge position for different values of dielectric constant are investigated in detail. The field patterns of the dominant are presented. The correctness of the numerical results is verified. The results provide an extension to the existing design data for...
Finite element method is introduced to analyze the transmission characteristics of depressed trapezoidal-ridge waveguide in this paper, solves the cutoff wavelength of the dominant mode, bandwidth and field patterns of the typical model size, discussions the influence of the trapezoidal-ridge size on the transmission characteristics. Some numerical results and figures are presented.
In this study, a composite right-/left-handed transmission line (CRLH TL) is used as a parasitic element. It is shown that a right-handed (RH) dipole antenna with the CRLH parasitic element has band rejection characteristics. Moreover, transmission characteristics and electric field distribution confirm that mutual coupling between the two dipole antennas can be reduced by using CRLH parasitic elements...
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