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金属矿地震勘探的数值模拟研究

A study of seismic prospecting for metallic ore
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摘要 目前,在浅部矿产资源接近枯竭的情况下,向地球深部索取资源已成为资源勘查的必须趋势。有资料表明,地震方法在金属矿勘查的不同阶段能够解决不同的地质问题。尽管如此,金属矿地震方法在解决不同地质勘查阶段的地质问题时,还存在许多难题,这些难题妨碍了该方法在金属矿勘查中的应用。本文重点介绍了散射波法的原理;地震波数值模拟原理和方法 ;经过数值模拟得到地质模型不同震源点的地震记录图和任意时刻的瞬时波前图,结合地震地质模型,分析地震记录,解释波场特征。 At present,in the case that the shallow mineral resources are close to depletion,the deep demand for resources from the earth has become the necessary trend of the exploration..There are data shows that seismic method can solve different geological problems in different stages of metallic ore exploration.. Nevertheless,there are still many difficulties in solving the geological problems during different geological exploration stages,which hinders the application of this method in metallic ore exploration.. This paper introduces the principle of scattering wave method;seismic wave numerical simulation principle and method;geological model with different focal point of seismograms and arbitrary moment of instantaneous wave front is obtained through the numerical simulation, combined with the seismic geologic model.Analysis seismic records,explain the wave field characteristic.
作者 蔡向阳
出处 《电子测试》 2015年第6期104-105,共2页 Electronic Test
关键词 金属矿 数值模拟 地震勘探 地震记录的分辨率 波动方程 metal mine numerical simulation seismic exploration seismic record resolution wave equation
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