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本文给出计算多层印刷传输线色散特性的一种简单方法。本方法利用ＴＥ波及ＴＭ波的平面结构谱域等效电路，导出二维谱域并矢格林函数，再利用格林函数由积分方程的解给出传输常数，进而求得特性阻抗表示式。用本文方法所得到的数值结果和更复杂的方法所得到的结果非常一致。
This paper presents a simple way to calculate the dispersion characteristics of multilayer printed transmission lines. The method uses the equivalent circuit of the planar structure spectral domain of TE wave and TM wave to derive the two-dimensional spectral domain and the dyadic Green’s function. Then, the Green’s function is used to derive the transfer constant from the solution of the integral equation, and then the characteristic impedance expression is obtained. The numerical results obtained by this method are in good agreement with the results obtained by more complex methods.