刘金钊;王岩;高春春;李永昆;王勇;

• 1:中国地震局第一监测中心
• 2:南阳师范学院
• 3:天津城建大学地质与测绘学院

摘要(Abstract)：

针对目前地球物理问题反演时,通常利用线性或拟线性反演方法,从而导致反演过程不稳定或反演结果陷于局部最优的问题,该文采用了模拟退火算法的非线性全局反演技术,从航空重力梯度全张量数据中反演了地下密度异常体的几何参数信息。同时,利用无噪声和有噪声的两组航空重力梯度数据进行对比实验。结果表明,在重力梯度数据信噪比小于21.584 3的情况下,通过引入噪声加权的价值函数,可以提高地下密度异常体几何参数反演的准确性。

关键词(KeyWords)： 重力梯度;模拟退火算法;参数反演;加权

Abstract:

Keywords:

基金项目(Foundation): 中国地震局星火计划项目(XH17058Y);中国地震局第一监测中心主任创新基金项目(FMC2016004);; 天津市自然科学基金项目(17JCYBJC21600)

作者(Authors): 刘金钊;王岩;高春春;李永昆;王勇;

DOI: 10.16251/j.cnki.1009-2307.2018.08.002

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