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OALib Journal期刊
ISSN: 2333-9721
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多次反射折射波的传播路径研究
Keywords: 反射折射波,传播路径,广义首波,波导模型
Abstract:
？本文通过对多次反射折射波的运动学和动力学特性分析,在多次反射折射波传播路径分析的基础上,概括出两种可能的传播路径:经震源激发后,检波器接收到的地震波为经多次反射后产生的一次折射波(路径ⅰ)及一次折射波经多次反射后产生的反射波(路径ⅱ)。通过对多次反射折射波传播路径的分析和归纳,利用半空间模型和波导模型进行了谱元法正演模拟,结果表明,记录到的多次反射折射波为先在震源附近发生多次反射,然后在波导层发生折射,因此路径ⅰ为多次反射折射波的实际传播路径。
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