摘要
地球物理反演是地球物理问题中一个较为复杂和抽象的问题。首先以一个简单的地震走时反演问题为基础,通过采用不同的方法求解矩阵方程的解,对直接添加先验信息、采用加权约束等处理方法进行了比较,然后针对不同方法的数据分辨矩阵和模型分辨矩阵进行了分析。结果表明,通过增加先验信息或者其他约束方法,改变矩阵方程性态,让参数分辨矩阵接近单位矩阵,往往会获得较好的解。
Geophysical inversion is a more complex and abstract problem in geophysical problems.In this paper,different methods are used to solve the solution of the matrix equation on the basis of a simple earthquake travel inversion,and the prior information added directly is compared by using the method of weighted constraint.The data discernibility matrix and the model discernibility matrix are analyzed by different methods.It is believed that a better solution is often obtained by changing the priori information or other constraint methods to change the behavior of the matrix equation and then to make the parameter resolution matrix approach the unit matrix.
作者
朱占升
孙海福
张晓佳
Zhu Zhansheng;Sun Haifu;Zhang Xiaojia(Beijing Huan＇an Engineering Inspection ＆ Test Co.,Ltd.,Beijing 100082;Hengda Century（Beijing）Geophysics Technology Co.,Ltd.,Beijing 100020,China;Capital Engineering ＆ Research Incorporation Ltd.,Beijing 100176,China)
出处
《工程地球物理学报》
2018年第3期371-375,共5页
Chinese Journal of Engineering Geophysics
关键词
地球物理反演
先验信息
加权约束
数据分辨矩阵
模型分辨矩阵
geophysical inversion
priori information
weighted constraints
data discernibility matrix
model discernibility matrix
