| 渐变平板波导的传播特性修正WKB法分析 |
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| 引用本文： | 乔力.渐变平板波导的传播特性修正WKB法分析[J].北京交通大学学报(自然科学版),1989(3). |
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| 作者姓名： | 乔力 |
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| 作者单位： | 北方交通大学物理系 |
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| 摘 要： | 本文基于通常的WKB法计算渐变平板波导传播常数的误差较大,提出了一种修正WKB方法,其计算结果在近截止区比通常WKB法有较大的改进。
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| 关 键 词： | 平板波导 介质波导 WKB法 |
Propagation Characteristics of Diffused Slab Waveguide: Modified WKB Method |
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| Qiao Li.Propagation Characteristics of Diffused Slab Waveguide: Modified WKB Method[J].JOURNAL OF BEIJING JIAOTONG UNIVERSITY,1989(3). |
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| Authors: | Qiao Li |
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| Institution: | Department of Physics |
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| Abstract: | In this paper we present a modified WKB method for evaluating he propagation constants of diffused slab waveguides. The results are more accurate than those of WKB method, especially near cut-off frequency. |
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| Keywords: | slab waveguide dielectric waveguide WKB method |
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