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现可买到的漏泄电缆有各种结构,其中一种是由有限的螺旋管构成屏蔽的漏泄电缆。Casey针对电缆的介电常数是自由空间的介电常数这一特殊情况,推导了这种结构的传输线的性能。Hill和Wait对由有限的单方向螺旋屏蔽构成的漏泄电缆进行了传输研究。Wait、Rill和Wait均考虑了所推荐的两个相反螺旋构成屏蔽的情况。最近,Valerio和Bansal报导了带有一根导电芯的螺旋管屏蔽的漏泄电缆的模拟分析。可叹的是,尽管已进行了许多理论的研究工作,却没有着手实验的研究工作。本文则报道这方
Leakage cables are available in a variety of configurations, one of which is a shielded leaky cable consisting of a limited number of spiral tubes. Casey, in view of the special case that the dielectric constant of a cable is the permittivity of free space, deduces the performance of the transmission line of this structure. Hill and Wait conducted a transmission study of leaky cables consisting of a limited unidirectional spiral shield. Wait, Rill, and Wait both considered the recommended two opposite helix forms a shield. Recently, Valerio and Bansal reported simulations of leaky cables with a spiral shield of a conductive core. Sadly, despite the many theoretical studies that have been conducted, no experimental work has been done. This article reports this side