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| 索末菲积分的指数逼近法 | |
| 引用本文： | 王锡良. 索末菲积分的指数逼近法[J]. 电子科技大学学报(社会科学版), 1992, 0(1) |
| 作者姓名： | 王锡良 |
| 作者单位： | 电子科技大学微波测试中心 |
| 摘 要： | 指数逼近法解决了被积函数指数项中波数 k 为复数的索末菲积分,该法应用围线定理变换积分路径,把索末菲积分简化为几项解析式的近似和,它具有近似精度高,计算速度快和几乎不受频率限制的特点. |
| 关 键 词： | 索末菲积分 指数逼近 普朗尼法 围线积分 |
EXPONENT APPROXIMATION OF SOMMERFELD INTEGRALS |
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| Wang Xiliang. EXPONENT APPROXIMATION OF SOMMERFELD INTEGRALS[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 1992, 0(1) | |
| Authors: | Wang Xiliang |
| Abstract: | After the path of Sommerfeld integral is changed according to Cauchy theo- rem,the partial Sommerfeld integrand function is approximatcd by a complex exponential series and Sommerfeid integral is simplified the sum of several algebra terms for complex wavenumber in exponent of Sommerfeld integrand function.Satisfied accuracy and high computing velocity are acquired and the method is hardly restricted by frequency. |
| Keywords: | Sommerfeld integral exponent approximation Prony method Cauchy integrals |
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