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纵横波联合反演方法研究及应用

Keywords: 多波勘探,转换波,联合反演,奇异值分解

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Abstract:

?本文利用aki-richards提出的近似公式,对pp波和ps转换波的联合反演方法进行了研究。利用ps波反射系数公式消去pp波反射系数公式中的密度项,并给出一种利用奇异值分解来求解的反演方法。与单独利用pp波的反演方法相比,采用两组独立的pp波和ps波数据的联合反演方程组更加稳定。理论试算和实际资料的应用表明,此种纵横波联合反演方法的准确性和抗噪性比单独的pp波反演方法有明显的提高。

References

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