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- W2389948014 abstract "Full-waveform inversion method is a useful method in parameter reconstructing which is essentially an optimization problem to find the optimal model to reach the minima of the misfit function.By now,local optimization methods are commonly used to solve this problem,such as the steepest-descent method,conjugate gradient method,Gauss-Newton method,quasi Newton method,et al.In our study,commonly used optimization methods are listed;based on the frequency domain 2D acoustic equation,these methods are applied in the inversion of part of the SEG/EAGE overthrust model,then the inverted results obtained are compared and analyzed.Through the comparisons of the methods from the point view of accuracies of the final models and inversion time,we summarize the advantages and disadvantages of the methods,which are helpful for our further multi-parameter inversion or higher dimension equation parameter inversion in optimization methods selecting.For the solved problem,the method used needs to balance the rate of convergence,calculation storage and the stability of the algorithm to reach an optimal result." @default.
- W2389948014 created "2016-06-24" @default.
- W2389948014 creator A5054552774 @default.
- W2389948014 date "2013-01-01" @default.
- W2389948014 modified "2023-09-28" @default.
- W2389948014 title "Comparisons and analyses of several optimization methods in the application of frequency-domain full waveform inversion" @default.
- W2389948014 hasPublicationYear "2013" @default.
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