物探化探计算技术2013，Vol.35Issue(2)：123-127,5.DOI:10.3969/j.issn.1001-1749.2013.02.01
区域重力异常多尺度密度反演研究
STUDY ON MULTI-SCALE DENSITY INVERSION OF GRAVITY ANOMALIES
摘要
Abstract
The gravity anomalies observed on the ground come from the superposition of potential field of source bodies with different depth and different scale. And if the potential field is not properly decomposed, it is difficult to quantify the physical properties and geometric parameters of the source bodies through inversion computations. The paper introduced the method of wavelet multi-decomposed gravity anomalies first. After completing the multi-scale decomposition of gravity anomalies by discrete wavelet transformation, using the wavelet details anomalies to calculate the average power spectrum of them produce the central depths of the layers. After obtaining the density distribution by generalized linear density inversion, we should suppose the average density of each stratum. Finally, we can inverse the relative density perturbation for each equivalent stratum. Results indicate that the method is valuable to exploration by wavelet transform a-nalysis scheme and a density inversion in tarim basin.关键词
区域重力异常/小波分析/多尺度分解/密度反演Key words
gravity anomalies/ wavelet transform/ multi-decompose/ density inversion分类
天文与地球科学引用本文复制引用
侯遵泽,杨文采..区域重力异常多尺度密度反演研究[J].物探化探计算技术,2013,35(2):123-127,5.基金项目
国土资源部地质调查计划项目资助(SinoProbe-01-05) （SinoProbe-01-05）
