平面声波在平行分界面上反射和折射的理论计算  

Theoretical calculation about reflection and refraction of plane sound wave on parallel interface

作　　者：楚泽涵[1] 彭斐[1] 

机构地区：[1]中国石油大学资源与信息学院,北京102249

出　　处：《中国石油大学学报（自然科学版）》2006年第5期31-32,共2页Journal of China University of Petroleum(Edition of Natural Science)

摘　　要：建立了平面声波在平行界面上反射和折射的理论模型,推导了该理论模型下的反射系数表达式,对反射系数随入射角的变化规律作了分析和探讨。对在第一临界角和第二临界角附近的反射系数大小的讨论,有助于研究声波全波列中的滑行纵波、滑行横波和伪瑞利波的幅度特征。A theoretical model of the plane sound wave reflecting and refracting on the parallel interface was founded, The expression of the reflection coefficient was deduced by the theoretical model. The variation law of the reflection coefficient versus entrance angle was discussed simply. The discussion about the reflection coefficient round the first critical angle and the second critical angle is conductive to the study of amplitude characters of sliding P-wave, sliding S-wave and pseudo Rayleigh wave in the acoustic full wave.

关 键 词：平面声波 平行界面 反射系数 入射角 临界角 

分 类 号：P631.814[天文地球—地质矿产勘探]