| 基于SSP抛物线方程方法计算电磁散射问题 |
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| 引用本文： | 孔勐,吴先良,黄志祥. 基于SSP抛物线方程方法计算电磁散射问题[J]. 合肥工业大学学报(自然科学版), 2009, 32(11) |
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| 作者姓名： | 孔勐 吴先良 黄志祥 |
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| 作者单位： | 合肥师范学院,物理与电子工程系,安徽,合肥,230061;安徽大学,计算智能与信号处理教育部重点实验室,安徽,合肥,230039;合肥师范学院,物理与电子工程系,安徽,合肥,230061 |
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| 基金项目： | 国家自然科学基金资助项目,安徽省教育厅重点资助项目 |
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| 摘 要： | 文章通过引入分裂步Pad楸平乖旄呓譙SP抛物线方程算法,并将该算法应用于电大目标的电磁散射特性分析中.对理想导体柱电磁散射的算例表明,该算法较传统抛物线方法在计算精度上有显著的提高,并减小了旋转次数,节省了计算时间.
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| 关 键 词： | 抛物线方程 分裂步Pad楸平电大目标 散射 |
Electromagnetic scattering calculation with the SSP parabolic equation |
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| KONG Meng,WU Xian-liang,HUANG Zhi-xiang. Electromagnetic scattering calculation with the SSP parabolic equation[J]. Journal of Hefei University of Technology(Natural Science), 2009, 32(11) |
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| Authors: | KONG Meng WU Xian-liang HUANG Zhi-xiang |
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| Abstract: | A split-step Pade approximation is introduced to construct the high order split-step Pade parabolic equation(SSPPE) algorithm. The SSPPE method is applied to analyzing scattering characteristics of electrically large objects. The numerical results of the scattering from perfectly conducting cylinders demonstrate that the algorithm not only improves the numerical precision, but it also decreases the rotation times and computational time in comparison with the traditional parabolic equation algorithm. |
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| Keywords: | parabolic equation split-step Pade approximation electrically large object scattering |
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