研究目的
To analyze waveguide components comprising a cascade of step junctions by mode matching in conjunction with the variational meshless method (VMM) for efficient calculation of modal fields and coupling coefficients.
研究成果
The letter demonstrates the successful use of the MM technique in conjunction with the VMM for analyzing stepped waveguide components. The VMM efficiently calculates a large number of modal fields required by the MM, and the method's accuracy and efficiency are validated through two examples. The convergence of the method is also shown.
研究不足
The current version of the code is a noncompiled MATLAB script and does not exploit any geometrical symmetry, which may limit its computational efficiency.
1：Experimental Design and Method Selection:
The study combines the mode matching (MM) technique with the variational meshless method (VMM) for analyzing waveguide components. The VMM is used to calculate modal fields efficiently.
2：Sample Selection and Data Sources:
Two examples from the literature are analyzed, including a step junction between two rectangular waveguides and a cascade of two-step junctions between a rectangular waveguide and a ridge waveguide.
3：List of Experimental Equipment and Materials:
The analysis is performed using a computer with an Intel Corei7-6700 CPU at 3.40 GHz (8 CPUs), and 16 GB of RAM. The code is a noncompiled MATLAB script.
4：40 GHz (8 CPUs), and 16 GB of RAM. The code is a noncompiled MATLAB script.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The VMM simulation involves distributing collocation points randomly in each waveguide cross section and calculating coupling coefficients. The results are compared with those from ANSYS HFSS for validation.
5：Data Analysis Methods:
The scattering parameters are calculated and compared with HFSS results to validate the accuracy and efficiency of the MM-VMM technique.
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