Direct computation of multiconductor transmission line capacitance and charge distribution |
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Authors: | XU Jun L Ying-hua ZHANG Li-kun |
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Affiliation: | 1. School of Electronic Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China 2. The Translation Department of the Second Artillery Troops of PLA,Beijing 100820,China |
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Abstract: | The per-unit-length capacitance parameter of multiconductor transmission line (MTL) is commonly extracted with indirect matrix transform method, which is complex and time-consuming. To solve the problem, an improved method to directly compute the MTL capacitance is proposed, which can be applied in the transmission line structure with arbitrary shaped cross-section and arbitrary separate distance. This method imports voltage conversions and matrix operations to simplify the complexity, improves computational efficiency by about 600% with results as accurate as previous method. The novel method presents a clear charge distribution map of MTL, whereas precious method will experience a tortuous process to get charge distribution. |
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Keywords: | multiconductor transmission line capacitance matrix charge distribution |
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