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- W3040952912 abstract "Seismic inversion is an effective way to get stress distribution of rock in coal mine, but its usage is still limited by multi-solution problem in practice. As seismometers can only be deployed in limited areas in underground coal mine, it is impossible to solve multi-solution problem by adding more seismometers, thus, we propose a new seismic inversion method which introduces stress value changes as constraint to solve this problem. Numerical experiments show that the new method can reduce the mean distance between inversion results and true wave velocity distributions by about 11.5%, reduce the variance of the distances by about 91%, reduce the mean distance between inversion results and frequency-domain-truncated true wave velocity distributions by about 30.6% and reduce the variance of the distances by about 84.1%. These results indicate that the new method proposed in this paper can reduce the non-uniqueness of solutions in seismic inversion and improve the reliability and stability of seismic inversion." @default.
- W3040952912 created "2020-07-16" @default.
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- W3040952912 date "2020-07-07" @default.
- W3040952912 modified "2023-09-25" @default.
- W3040952912 title "Seismic inversion constrained by stress value changes" @default.
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- W3040952912 doi "https://doi.org/10.1080/17415977.2020.1789123" @default.
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