用于傳輸線特性分析的分?jǐn)?shù)階多極子模型
Fractional Multipole Model Used in the Characteristic Analysis of a Transmission Line
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摘要: 該文提出了用于計算具有圓形外導(dǎo)體復(fù)雜形狀內(nèi)導(dǎo)體的一類傳輸線特征阻抗的分?jǐn)?shù)階多極子模型。該方法能夠很好地處理導(dǎo)體棱角附近電位梯度的奇異性問題。通過具體算例證明了該方法的實用性。
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關(guān)鍵詞:
- 傳輸線特性阻抗; 多極子; 分?jǐn)?shù)階微積分
Abstract: The model of fractional multipole is presented for calculating the characteristic impedance of coaxial transmission line with circular outer conductor and complex inner conductor. The model has a higher accuracy in analyzing the potential of a point close to a sharp conducting edge. The validity of this model is confirmed by numerical results. -
Lin W. A critical study of the coaxial transmission line utilizing conductors of both circular and square cross section. IEEE Trans. on Microwave Theory Tech., 1982, MTT-30(11): 1981-1988.[2]潘生根.圓形外導(dǎo)體復(fù)雜形狀內(nèi)導(dǎo)體同軸傳輸線特性阻抗的計算.電子科學(xué)學(xué)刊,1988,10(2):180-185.[3]馬西奎.偏心特種截面?zhèn)鬏斁€特性阻抗的分析計算.電子科學(xué)學(xué)刊,1989,11(6):590-599.[4]Qinhong Zheng, Weigan Lin, Fuyao Xie, Ming Li. Mulitipole theory analysis of a rectangular transmission line family[J].Microwave and Opt. Technol. Lett.1998, 18(6):382-3843.0.CO;2-9' target='_blank'>[5]Engheta N. On fractional calculus and fractional multipoles in electromagnetism. IEEE Trans.on Antennas Propagat., 1996, AP-44(4): 554-566.[6]Tsarin Y A. Conformal mapping technique in the theory of periodic structures[J].Microwave and Opt. Technol. Lett.2000, 26(1):57-613.0.CO;2-Q' target='_blank'>[7]Oldham K B, Spaniner J. The Fractional Calculus. New York and London: Academic Press,1974, Ch.2. -
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