Transient electromagnetic properties of two,infinite, parallel wires |
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Authors: | Lennart Marin |
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Institution: | 1. Westwood Research Branch, The Dikewood Corporation, 90024, Los Angeles, Ca, USA
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Abstract: | An analysis is presented of the transient electromagnetic field around two parallel wires. It is shown that the field can be expressed in terms of a discrete spectrum and a continuous spectrum. The discrete part of the spectrum can be interpreted as modes whose properties are investigated. The time history of the current at different points on the wires is also calculated when each wire is excited by a slice generator with a step-voltage source. Two different modes of excitation are considered: 1) the two voltage generators have equal strength but opposite polarity, and 2) they have equal strength and same polarity. With the first type of excitation the induced current on the wires can be described accurately by the TEM mode alone provided that one transit time or so between the wires has elapsed after the passage of the wavefront. |
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