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  1. No Access

    Article

    Joint 3D traveltime calculation based on fast marching method and wavefront construction

    3D traveltime calculation is widely used in seismic exploration technologies such as seismic migration and tomography. The fast marching method (FMM) is useful for calculating 3D traveltime and has proven to b...

    Hui Sun, Jian-Guo Sun, Zhang-Qing Sun, Fu-**ng Han, Zhi-Qiang Liu… in Applied Geophysics (2017)

  2. No Access

    Article

    The influence of sea water velocity variation on seismic traveltimes, ray paths, and amplitude

    The main factors affecting seismic exploration is the propagation velocity of seismic waves in the medium. In the past, during marine seismic data processing, the propagation velocity of sea water was generall...

    Fu-**ng Han, Jian-Guo Sun, Kun Wang in Applied Geophysics (2012)

  3. No Access

    Article

    The stationary phase analysis of the Kirchhoff-type demigrated field

    In the literature, stationary phase analysis of Kirchhoff-type demigrated fields is carried out mainly under the following two conditions: (1) The considered isochrone and the target reflector are tangential t...

    Jian-Guo Sun in Applied Geophysics (2010)