When, for example, three consecutive instants all give a distribution above said threshold, it is assumed that the recorded signal corresponds to the first arrival of the shock wave at the geophone, and the instant of first arrival is consequently determined. ...
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aThe ejection velocity imposed on the rock walls by the seismic wave is probably the single most important determinant of damage intensity in a tunnel... 排斥速度在隧道强加了给岩石墙壁由地波大概是损伤强度唯一最重要的定列式… [translate] aWhere is your son now ? Him to school in the United...
Migration of seismic activity during the 1998 volcanic unrest at Iwate volcano, northeastern Japan, with reference to P and S wave velocity anomaly and cru... We describe the seismicity at Iwate volcano, northeastern Japan, during the volcanic unrest of 1998 with reference to a three-dimensional...
Time reversal and plane-wave decomposition in seismic interferometry, inversion and imaging This thesis concerns the study of time reversal and plane-wave decomposition in various geophysical applications. Time reversal is a key step in seismic in... Tao,Yi - 《University of Texas at Austin Austin...
D.: Should average shear-wave velocity in the top 30 m of soil be used to describe seismic amplification?, Soil Dyn. Earthq. Eng., 30, 1250-1258, 2010.Lee, V. W., and M. D. Trifunac (2010). Should average shear-wave velocity in the top 30 m of soil be used to describe ...
Method for evaluating the fluid pressures and overpressures in a medium pressure. It is constructed of a cube of the speed of seismic wave p and a cube of the speed of seismic wave s by means of a stratigraphic inversion of seismic data, and it is deduced therefrom a cube of lith...
in view of a detection of overshoot, with a reference level adapted to the nature of the ground at the point of withdrawal of the geophone and, in view of the adaptation is to measure the speed of propagation of seismic instead of withdrawal of the geophone as a measurement of the nature...
Comparison of seismic upscaling methods: From sonic to seismic The term "upscaling" used here means a prediction of elastic-wave velocities at lower frequencies from the velocities at higher frequencies. Three differen... DK Tiwary,IO Bayuk,AA Vikhorev,... - 《Geophysics》 被引量: 39发表: ...