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本文提出了一种多层介质电厚微带天线的一种分析方法。从无界空间中的电并矢格林函数出发,导出了分层介质中任意一点具有任意取向的水平电偶极子场的表达式。以此为基础,利用Richmond反作用积分方程,建立了关于贴片上电流分布的积分方程。通过适当选取电流基函数,使本方法适用于电厚介质微带天线。应用Galerkin方法建立矩阵方程。借助于计算机求解该矩阵方程,可得到天线的各项特性。文中用实例进行了验证。
In this paper, an analysis method of multi-layer dielectric strip thickness antenna is proposed. Based on the electrical dyadic Green’s function in unbounded space, the expression of horizontal dipole field with arbitrary orientation at any point in the layered medium is deduced. Based on this, the integral equation of the on-chip current distribution is established by using the Richmond reaction integral equation. By proper selection of the current basis function, the method is suitable for the dielectric microstrip antenna. Apply Galerkin method to establish matrix equation. With the aid of a computer to solve the matrix equation, various characteristics of the antenna can be obtained. In this paper, examples were verified.