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矩形同轴线是一种重要的传输线。文献中已用保角变换法、积分方程法、变分法等各种方法分析过。但这些方法都附加一些条件,如对称、一维偏心、内导体厚度为零或不为零等等。本文介绍一种求解具有任意偏心、任意厚度内导体的矩形同轴线的特性阻抗的简单而有效的方法。这一方法可用来分析其它的任意横截面的同轴线。缺点是当精度要求高时,耗机时多。
Rectangular coaxial line is an important transmission line. The literature has been using conformal transformation method, integral equation method, variational method and other methods analyzed. However, these methods are attached to some conditions, such as symmetry, one-dimensional eccentricity, the conductor thickness of zero or non-zero and so on. This article presents a simple and efficient method for solving the characteristic impedance of a rectangular coaxial line with any eccentric, arbitrary thickness inner conductor. This method can be used to analyze other coaxial lines of any cross section. The disadvantage is that when the accuracy is high, the machine consumes more time.