结合地震反演方法和数值计算方法，研究了地下爆炸震源函数的特征以及介质特性对震源函数的影响。
The main characteristics of seismic source function in underground explosion are studied by seismological method and numerical method.
本文提出了一种新的无约束损失函数用于广义特征分解，并且分析了损失函数的特性。
In this paper, a novel unconstrained cost function for the generalized eigen-decomposition is presented and the properties of the cost function are analyzed.
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