Advancement in Source Estimation Techniques Using Broadband Regional

  title={Advancement in Source Estimation Techniques Using Broadband Regional},
  author={Lupei Zhu and Donald V. Helmberger},
One important constraint on source retrieval from regional seismograms comes from the amplitude difference between various phases (such as Pnl/surface wave, SV/SH) . Because the misfit errors used in some waveform inversions are normalized by the data and synthetics, the amplitude information in the data has not been fully utilized. In this article, we modify the "cut and paste" source estimation technique (Zhao and Helmberger, 1994) by removing this type of normalization. It is shown that the… CONTINUE READING
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