OALib Journal期刊
ISSN: 2333-9721
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地震反射系数的相角变化
Keywords: 反射系数,相角,zoeppritz方程,广角反射,极性反转
Abstract:
?地震反射系数相角是地震反射波的重要属性之一,对地震资料反演起着重要作用。本文基于zoeppritz方程,通过算例绘制了反射系数相角曲线,分析了反射系数相角随入射角的变化特点。在入射角小于临界角范围内p波、转换s波的反射系数都有可能存在相角的突变,即有可能存在极性反转,突变位置取决于地层参数;地震波发生广角反射后,反射系数相角随入射角的增大逐步减小,变化范围在0°~-180°之间。
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