| 用地震反射波全部时間值求有效速度 |
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| 引用本文： | 周焕然.用地震反射波全部时間值求有效速度[J].地球物理学报,1965,14(3):204-208. |
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| 作者姓名： | 周焕然 |
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| 摘 要： | 本文讨论了用地震反射波的全部时间值求有效速度的方法,得出了四种计算有效速度的公式。经过实际运用,认为有一定的效果,同时可用来计算断层面引起的绕射波的有效速度,对识别绕射波提供了一些线索。本文仅作为地震勘探工作交流实际经验而提出。
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| 关 键 词： | 地震反射波 有效速度 绕射波 时距曲线 爆炸点 回声时间 二项式展开 检波点 计算断层 到达时间 |
USING COMPLETE TIME DATA FOR EVALUATING EFFECTIVE VELOCITY IN SEISMIC PROSPECTING |
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| CHOU HUAN-JAN.USING COMPLETE TIME DATA FOR EVALUATING EFFECTIVE VELOCITY IN SEISMIC PROSPECTING[J].Chinese Journal of Geophysics,1965,14(3):204-208. |
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| Authors: | CHOU HUAN-JAN |
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| Abstract: | A method of summing all time differences between reflecting time values and the shot-point or minimum reflecting times t_0, t_m, is suggested. Four forms of the formula may be used to compute the effective velocity. Results of actual numerical computations indicate that the method could be of some use under certain working conditions. However, it is considered as only a practical field experience. Derivations for effective velocity of diffracted waves from fault planes are also made, and it is compared with the effective velocity of reflected waves. |
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