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本文用网络分解直线法结合周期边界条件,以平面波激励,通过贴片电流提取相关参数的方法,分析开域微带结构。阻抗元素计算和减缩方程求解,分别使用快速傅里叶变换和网络分解技术,从而大大提高了计算效率。周期边界模拟开域的收敛性研究和计算时间的比较表明了该方法的有效性。最后计算了矩形贴片平面谐振器的谐振频率,其结果与已发表的值吻合很好。
In this paper, we analyze the open-field microstrip structure by using the method of network decomposition, linear method combined with periodic boundary conditions, plane wave excitation, and extracting the relevant parameters through the patch current. Impedance element calculation and reduction equations to solve, respectively, using Fast Fourier Transform and network decomposition techniques, thus greatly improving the computational efficiency. The convergence of the simulation of open-period boundary and the comparison of calculation time show the effectiveness of this method. Finally, the resonant frequency of the rectangular patch planar resonator is calculated and the result is in good agreement with the published values.