• 责任者：Dong Liangguo (State Key Laboratory of Marine Geology ; Tongji University ; Shanghai 200092 ; China) ; Chi Benxin
• 刊名：Chinese Journal of Geophysics
• 出版年：2013
• 卷期：56(10)
• 关键词：地震勘探 ; seismic exploration ; 反演问题 ; inverse problem
• 页码：p.3445-3460
• 图表：17 illus., 2 tables, 33 refs.
• 分类号：1600
• issnNo：ISSN0001-5733
• isbnNo：CN11-2074/P

     The main difficulty in seismic full-waveform inversion is the strong nonlinearity, which is caused by the complexity of seismic wave propagation. The analysis of the behavior of the objective function variation with the parameter perturbation scale can help us to choose the reasonable inversion method and strategy. According to Jannaners method to analyze the objective function behavior, the relationship between the objective function calculated by different seismic data subset and the parameter perturbation scale is studied, especially the nonlinearity. The analysis results will provide some theoretical guidance for FWI to implement the multi-step and multi-scale inversion strategy.