|本期目录/Table of Contents|

[1]张文波,朱光明,马德堂,等.井间地震初至波分析[J].地球科学与环境学报,2006,28(01):70-74.
　ZHANG Wen-bo,ZHU G uang-ming,MA De-tang,et al.Analysis to First Breaks in Cross Hole Seismic Waves[J].Journal of Earth Sciences and Environment,2006,28(01):70-74.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第28卷
期数:
2006年第01期
页码:
70-74
栏目:
出版日期:
2006-03-15

文章信息/Info

Title:
Analysis to First Breaks in Cross Hole Seismic Waves
作者:
张文波1; 朱光明1; 马德堂2; 杜有成1
1.长安大学地质工程与测绘工程学院,陕西西安710054;2.长安大学理学院,陕西西安710064
Author(s):
ZHANG Wen-bo1; ZHU G uang-ming 1; MA De-tang 2; DU You-cheng1
1. School of Geological Engineering and Surveying Engineering, Chang’ an University, Xi’an 710054, Shaanxi, China; 2. School of Science, Chang’ an University, Xi’an 710064, Shaanxi, China
关键词:
地质工程; 井间地震; 初至波; 多分量
Keywords:
geological engineering;  cross-hole seismic;  first break;  multi-component
分类号:
P631.8+1
DOI:
-
文献标志码:
A
摘要:
在模拟对比不同模型条件下初至波的基础上,分析了造成初至不清晰两种可能的原因,一种是初至波 为续至波所干扰,另一种初至波在垂直方向上的投影很小甚至为零。并指出可以综合利用水平分量和垂直分量 记录来提高初至时间拾取的精度。
Abstract:
For some traces in field cross-hole seismic records of which the shot point is near to the receiver point in vertical direction, it is difficult to pick the first break time accurately according to the ambiguous first break out- line. On the basis of modeling for the first break characters with different velocities, this paper discusses the rea- sons induced to ambiguous first break outline. One is the influence of the second break wave, and the other is that the vertical projection of first break wave is near to zero. A method for picking first break time accurately is put forward by using both the vertical and the horizontal components synthetically.

参考文献/References:

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备注/Memo

备注/Memo:
[收稿日期]2005-04-21
[作者简介]张文波(1974-),男,山东冠县人,博士研究生,从事地球物理研究。
更新日期/Last Update: 2006-03-20