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鳍线已被广泛用作毫米波集成电路元件,如滤波器、振荡器等。这种结构的主要优点在与矩形波导的兼容性,和易于用印刷技术制造。为了改进毫米波集成元件,推广该结构的应用,本文介绍了一种具有三个介质层的双边鳍线,它对称地位于波导的 E 平面内。对这种结构的色散特性,本文给出了一种有效的推导方法,该方法是基于付里叶变换谱域中等效传输线理论和 Galerkin 法,同时给出了作为几何参数和频率之函数的有效介电常数的数值结果。
Fin lines have been widely used as millimeter-wave integrated circuit components, such as filters, oscillators and so on. The main advantage of this structure is its compatibility with rectangular waveguides and its ease of manufacture with printing technology. In order to improve the integration of millimeter-wave components and promote the application of this structure, this paper presents a bilateral fin line with three dielectric layers symmetrically located in the E-plane of the waveguide. In this paper, an effective derivation method is given for the dispersion characteristics of this kind of structure. The method is based on the equivalent transmission line theory and the Galerkin method in the Fourier transform domain, and is given as effective as a function of geometric parameters and frequencies Dielectric constant numerical results.