| Indirect-approach method for specified-end points seismic ray tracing in three dimen-sional inhomogeneous media |
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| 作者姓名： | 徐朝繁 张先康 杨健 杨卓欣 邓宏钊 宋松岩 |
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| 作者单位： | CHAO FAN XU XIAN KANG ZHANG JIAN YANG ZHUO XIN YANG HONG ZHAO DENG SONG YAN SONG Research Center of Exploration Geophysics，State Seismological Bureau，Zhengzhou 450003，China |
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| 摘 要： | ＩｎｄｉｒｅｃｔａｐｐｒｏａｃｈｍｅｔｈｏｄｆｏｒｓｐｅｃｉｆｉｅｄｅｎｄｐｏｉｎｔｓｓｅｉｓｍｉｃｒａｙｔｒａｃｉｎｇｉｎｔｈｒｅｄｉｍｅｎｓｉｏｎａｌｉｎｈｏｍｏｇｅｎｅｏｕｓｍｅｄｉａＣＨＡＯＦＡＮＸＵ（徐朝繁）ＸＩＡＮＫＡＮＧＺＨ...
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| 收稿时间： | 26 May 1997 |
| 修稿时间： | 15 February 1998 |
Indirect-approach method for specified-end points seismic ray tracing in three dimensional inhomogeneous media |
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| Chao-Fan Xu, Xian-Kang Zhang, Jian Yang, Zhuo-Xin Yang, Hong-Zhao Deng and Song-Yan Song.Indirect-approach method for specified-end points seismic ray tracing in three dimen-sional inhomogeneous media[J].Acta Seismologica Sinica(English Edition),1998,11(3):321-328. |
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| Authors: | Chao-Fan Xu Xian-Kang Zhang Jian Yang Zhuo-Xin Yang Hong-Zhao Deng and Song-Yan Song |
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| Institution: | (1) Research Center of Exploration Geophysics, State Seismological Bureau, 450003 Zhengzhou, China |
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| Abstract: | Generally speaking, the factors of both medium and tectonic that give rise to heterogeneity of the earth crust and mantle structures should be taken into account simultaneously in three dimensional seismic ray tracing. In this paper, the three dimensional structure models are constructed with the model similar to generation system in computer aid design and manufacturing (CAD/CAM). Based on the algorithm proposed by Cerveny et al . for complete seismic ray tracing in complex three dimensional structures, a new technique called the indirect approach method for two point seismic ray tracing in three dimensional laterally heterogeneous media has been put forward, and its numerical computing examples were given. |
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| Keywords: | 3 D ray tracing crust mantle structure indirect approach method |
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