Formulae are developed for the mutual impedance of two finite-length earth-return circuits, either parallel or at an angle. The new formulae are shown to be generalizations of the Carson-Pollaczek formula and of the more recent work of Carter. Numerical results are compared with calculations performed by the methods at present recommended by the Comit???????? Consultatif International T????????l????????phonique.
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机译：为两个有限长度的接地回路（平行或成角度）的互阻抗开发了公式。新公式显示为对Carson-Pollaczek公式和Carter的最新著作的概括。将数值结果与通过Commit目前推荐的方法执行的计算进行比较。国际咨询公司T ????????? l ??????? phonique。
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