海山磁性反演精度的研究

徐世浙; 邢天文

海山磁性反演精度的研究

青岛海洋大学研究生部

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出版历程
- 收稿日期: 1991-06-03
- 修回日期: 1992-01-23

摘要

摘要: 在均匀磁化的假设下,进行海山磁性的反演,有时能获得良好的效果,有时则不然.海山磁性的不均匀性是影响反演精度的主要因素,特别当海山内部的正反向磁化不是严格反平行时,反演精度很低.海山形状不准确、磁测资料的随机误差对反演精度的影响较小.可以用拟合度参数GFR(Goodness-of-Fit Ratio)来衡量反演结果的可靠程度.当GFR≥5时,均匀磁化假设下反演所得的磁化方向有很高的参考价值;GFR=2～5时,反演结果有一定的参考价值;GFR<2时,反演结果常含有很大的误差.本文用面积分计算磁异常.在AT微机上反演一个海山的磁性,约需1分钟.
- 海山 /
- 磁性 /
- 反演精度

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参考文献(11)

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