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- W2890983582 abstract "Picking the seismic arrival time is an important parameter for the refraction studies. However, random noise, mainly generated by unknown sources, leads to the data quality reduction and incorrect arrival definition. Besides, picking the accurate first arrival time requires expert interpreters. Poor quality of seismic refraction data, related to the high noise amount (because of human being related noise and low energy source) leads to reduce the accuracy of automatic picking methods. In this study, we tried to enhance the accuracy of first break picking by the P phase Picker method using a proper selection of the wavelet type in the discrete wavelet transform domain. UDWT provides and improves the temporal frequency decomposition that can then be followed by thresholding to prepare a denoised signal. To provide the improvement to the P phase picker algorithm, the examples of the synthetic and real data are studied in the time and UDWT domains. Our results demonstrate that the UDWT domain is a reliable replacement for the time-domain implementation of the P phase algorithm." @default.
- W2890983582 created "2018-09-27" @default.
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- W2890983582 date "2018-10-01" @default.
- W2890983582 modified "2023-10-17" @default.
- W2890983582 title "UDWT Domain: A Verified Replacement for Time Domain Implementation of the Robust P Phase Picker Algorithm" @default.
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- W2890983582 doi "https://doi.org/10.1109/jstars.2018.2868899" @default.
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