A set of formulas for analyzing high order modes of coaxial lines with arbitrary section in polar coordinate by the method of lines are rigorously derived in this paper.
本文应用直线法理论严格推导了在极坐标系统中分析任意截面形状同轴线高次模的公式。
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In each cylindrical section (measuring cylinder) coaxial with the datum axis a, the section line shall be contained between two circles 0.1 apart and perpendicular to the datum axis a.