正多邊形外導(dǎo)體-圓形內(nèi)導(dǎo)體同軸傳輸線特性阻抗的計(jì)算
CHARACTERISTIC IMPEDANCE OF COAXIAL TRANSMISSION LINE WITH REGULAR POLYGONAL OUTER AND CIRCULAR INNER CONDUCTOR
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摘要: 本文提出一種計(jì)算正多邊形外導(dǎo)體-圓形內(nèi)導(dǎo)體同軸傳輸線特性阻抗的方法。由它可以得到正三(四、五、六)邊形外導(dǎo)體-圓形內(nèi)導(dǎo)體同軸傳輸線特性阻抗的可靠的上限和下限值。當(dāng)r/R0.5(0.6)時(shí),由它得到的上限和下限值十分接近,有一定的實(shí)用價(jià)值。
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關(guān)鍵詞:
- 傳輸線; 同軸傳輸線; 特性阻抗
Abstract: The method of calculating the characteristic impedance of the coaxial transmission line with regular polygonal outer and circular inner conductor is presented. With this method the reliable upper and lower limits of the characteristic impedance are obtained for the transmission lines with equilateral triangular outer, square outer, regular pentagonal outer, regular hexagonal outer and circular inner conductor respectively. The error of this method is low, so it has a certain practical value. -
R. E. Collin. Field Theory of Guided Wavos, 1960,167.[2]林為干,鐘祥禮,物理學(xué)報(bào),19(1963),249-257.[3]L.N.Epele, et al, Proc. IEEE, 72(1984), 223-224.[4]Shenggen Pan, IEEE Trans. on MTT, MTT-85(1987), 61-63.[5]T. K. Seshadri, K. Rajaiah, Proc. IEEE, 70(1982), 82-84.[6]Weigan Lin, IEEE Trans. on MTT, MTT-33 (1985), 545-550. -
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