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中文摘要：
从广义反演理论出发。对多层反射波的走时联合反演，可以同时获得所有的各层速度及厚度参数。其优点是在不需要把问题线性化过程的同时。统一考虑了各层反射波走时的离散对整个地壳模型的影响。又可兼顾观测数据的不同误差分布。本文将该方法进行了数值模拟并应用于华北北部的几个不同构造单元，反演得出了其反射P波速度结构。并与正演结果进行了对比。
英文摘要：
According to the theory of generalized inversion, we can get the parameters of velocity and thickness in each layer with joint inversion of multilayer reflection wave＇s travel time. As not to need linearization,its advantage is to take all the influence of reflection wave travel time in each layer to the whole crustal model into account, and consider the error distribution of observed data at the same time. With numerical modeling from this method in several tectonic units in the north part of North China, the velocity structure of reflection P wave was obtained from inversion and compared with the forward solution.
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