| 用柱面波模型探讨地震电磁信息 |
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| 引用本文： | 包德修,刘家漠.用柱面波模型探讨地震电磁信息[J].云南大学学报(自然科学版),1989,11(2):117-124. |
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| 作者姓名： | 包德修 刘家漠 |
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| 作者单位： | 云南大学物理系
(包德修)，云南大学物理系(刘家漠) |
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| 摘 要： | 本文从理论上探讨了地壳波导中传播的柱面电磁波,发现地震电磁波没有TM型波,这一特点可以用来识别地震电磁信号,引入衰减因子后,得到kr<1的区域,高导电层的衰减随频率的升高而减小,从而可以定性地解释观测到高频地震电磁信息的现象。
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| 关 键 词： | 地震 电磁波传播 模型(物理) |
A Stuady on Seismic Electromagnetic Signals Using Cylindrical Wave Model |
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| Bao Dexiu,Liu Jiamo.A Stuady on Seismic Electromagnetic Signals Using Cylindrical Wave Model[J].Journal of Yunnan University(Natural Sciences),1989,11(2):117-124. |
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| Authors: | Bao Dexiu Liu Jiamo |
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| Abstract: | Cylindrical electromagnetic waves propagating in the wave guide of crust have been studied theoretically, it is found that TM waves do not exist in seismic e.m. waves, this characteristic is expected to be used for discriminating seismic e.m. signals. After introducing attenuation factor, the attenuation in the high conducting layer is found to be smaller at higher frequencies in the region kr< 1, this explains qualitatively why seismic e.m. signals of high frequencies were observed. |
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| Keywords: | earthquake electromagnetic wave scattering modele (physics) |
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