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Analysis to First Breaks in Cross Hole Seismic Waves
Author(s): ZHANG Wenbo~1, ZHU Guangming~1, MA Detang~2, DU Youcheng~1(1.schoolofgeologicalengineeringandsurveyingengineering, CHANG Anuniversity, XI An710054, shaanxi, china, 2.SCHOOL Ofscience, CHANG Anuniversity, XI An710064, shaanxi, china)
Pages: 70-
74
Year: 2006
Issue:
1
Journal: Journal of Earth Sciences and Environment
Keyword: 地质工程; 井间地震; 初至波; 多分量;
Abstract: 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。
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