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ADAPTIVE ENSEMBLE-BASED METHOD AND DEVICE FOR HIGHLY-NONLINEAR PROBLEMS
ADAPTIVE ENSEMBLE-BASED METHOD AND DEVICE FOR HIGHLY-NONLINEAR PROBLEMS
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机译:基于自适应的高度非线性问题的方法和装置
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摘要
Device, medium and method for generating an image of a subsurface of the earth. The method includes generating an ensemble of realizations (M) based on data related to the subsurface; applying an objective function (O) to members (m) of the ensemble of realizations (m) and corresponding estimated data to estimate a mismatch; selecting a best sensitivity matrix (G) from a plurality of sensitivity matrices associated with the objective function (O) and the ensemble of realizations (M); updating realization parameters (mpr), which are used as input for a forward model (f), to calculate the corresponding estimated data, based on the best sensitivity matrix (G); and generating an image of the subsurface based on (1) the data related to the subsurface of the earth and (2) the forward model (f) with updated realization parameters (mpr).
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