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Arrival time measurements of first arrival phases P and PKIKP using the method of fixed scale wavelet transformation ratio

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Acta Seismologica Sinica

Abstract

The arrival times of first teleseismic phases are difficult to be measured precisely because of slowly and gradually changed onsets and weak amplitudes. The arrival times measured manually are usually behind the real ones. In this paper, using the ratio method of fixed scale wavelet transformations improved by us, the arrival times for the first arrival phases (such as P and PKIKP) at the teleseismic and far-teleseimic distances were measured. The results are reasonable and reliable based on the analysis and discussion of the reliabilities and errors.

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Authors and Affiliations

  1. Computational Geodynamics Laboratory, Graduate School of Chinese Academy of Sciences, 100049, Beijing, China

    He Xiao-bo & Zhou Hui-lan

Authors
  1. He Xiao-bo
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  2. Zhou Hui-lan
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Additional information

Foundation item: National Natural Science Foundation of China (40074007).

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He, Xb., Zhou, Hl. Arrival time measurements of first arrival phases P and PKIKP using the method of fixed scale wavelet transformation ratio. Acta Seimol. Sin. 18, 410–418 (2005). https://doi.org/10.1007/s11589-005-0018-8

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  • DOI: https://doi.org/10.1007/s11589-005-0018-8

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