| Physical Explanation to the Electromagnetic Scattering of a Thin Metallic Plate at Very Low Frequencies | |
Yunhua Zhang ; 北京8701信箱
| |
| Department | 国家863计划微波遥感技术实验室 |
| Source Publication | Asia Pacific Microwave Conference-Proceedings |
| 2007 | |
| Pages | 1421-1424 |
| Language | 英语 |
| ISBN | 978-1-4244-0748-4 |
| Abstract | The scattering of a thin metallic plate at very low frequencies is investigated by using the method of moments (MoM) with loop/tree basis function. Calculations show that at low frequencies the scattering of a very thin plate and the scattering of a zero-depth plate are very different not only for the current distribution but also for the RCS. However, the differences are very small at high frequencies. A physical explanation is given to the phenomenon: both the electromagnetic dipole and magnetic dipole are excited simultaneously when illuminated by a very low frequency electromagnetic wave for a general three-dimensional object but the magnetic dipole could not be excited for a zero-depth plate. The appearance of the magnetic dipole makes the scattered electric far field unstable due to the finite digital precision of the computer. A simple method is shown how to make the far field calculation stable. |
| Keyword | Low-frequency Scattering Method Of Moments Efie Rwg Basis Loop/tree Basis |
| Conference Name | Asia Pacific Microwave Conference |
| Conference Date | 2007 |
| Conference Place | Bangkok, THAILAND |
| Indexed By | CPCI |
| Document Type | 会议论文 |
| Identifier | http://ir.nssc.ac.cn/handle/122/1784 |
| Collection | 微波遥感部 |
| Corresponding Author | 北京8701信箱 |
| Recommended Citation GB/T 7714 | Yunhua Zhang,北京8701信箱. Physical Explanation to the Electromagnetic Scattering of a Thin Metallic Plate at Very Low Frequencies[C]. NEW YORK:IEEE,2007:1421-1424. |
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| 200714211424.pdf（1052KB） | 开放获取 | CC BY-NC-SA | View Download | |||
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