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在位场数据解释中,分析整个异常剖面(与用选定特征点、拐点或斜率-长度解释法不同)有许多优点.Johnson(1969)描述的解释磁异常的最小二乘法证明Ma rquardt(1963)提出的快速收敛法能使理论异常与实测异常很快最佳拟合.据此原理研究出一种算法,于1970年发表,做为计算程序Magmod的主要部分.这种程序是为使理论异常与实测异常拟合、以便估计引起异常的实际磁性体的深度、大小、产状和磁化强度.以迭代方式调整简单模型的几何参数和磁化强度,使拟合最优化.因为位场反演问题的解本来就不是唯一的,所以使用
In the field data interpretation, there are many advantages in analyzing the entire anomaly profile (as opposed to using selected feature points, inflection points, or slope-length interpretation). The least-squares method described by Johnson (1969) to explain magnetic anomalies proves Maququardt (1963 ) Proposed a fast convergence method to make theoretical anomaly and measured abnormalities quickly fit the best.According to this principle developed an algorithm, published in 1970, as the main part of the calculation program Magmod.This program is to make the theory Anomalies fit well with measured anomalies in order to estimate the depth, size, shape, and magnetization of the actual magnetic body that caused the anomaly.Optimize the fit by iteratively adjusting the geometry and magnetization of a simple model.Because the field inversion The solution to the problem is not unique, so use it