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The paper calculated the dispersion characteristic of asymmetrical coplanar waveguide (ACPW) using FDTD method. The results of theoretical calculation show very good agreement with XFDTD formulation and experimental data over a wide frequency range. And the time of the FDTD calculation is about one fourth of XFDTD formulation. On this basis, a novel approach for designing a UWB ACPW to slotline transition...
The paper advanced a mixed absorbing boundary condition-perfectly matched layer (PML) and MUR based on finite difference time domain (FDTD) method, and the analysis of dispersion characteristic of symmetrical coplanar waveguide (CPW) and asymmetrical coplanar waveguide (ACPW) are presented. The transient propagating waveforms along the CPW, which are excited by retarded Gaussian pulse, are found in...
In this paper, an alternating direction implicit (ADI) technique is applied to the recently developed multi-resolution time domain (MRTD) method. This method solves the stability problem restricted by MRTD method. The general difference formulas for ADI-MRTD are deduced. In order to demonstrate the computational accuracy and efficiency of this method, a ACPW structure is simulated and the characteristic...
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