Using a Moving Source to Generate Rayleigh Waves |
Contents
DATA ANALYSIS | 3 |
INSIGHTS | 6 |
Power spectra of motions recorded by EARSS2 closer seismograph to the shot line | 9 |
Copyright | |
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Common terms and phrases
14 Time seconds 4.82Hz resonance 5-8 seconds motion Airy phase Rayleigh alluvium consistent with Rayleigh delayed sequence difference spectrum dispersion curve EARSS recorder EARSS1 seismograph further EARSS2 closer seismograph Figure 11 frequency domain Frequency Hz Geological & Nuclear group velocity horizontal individual shots Institute of Geological L4C3D seismometer layer with velocity Love wave low frequencies lower Hutt valley McEwan Park minus fixed source motion is clockwise Moving source minus orbit at 4.8 p-wave Particle motion filtered particle orbit Peg 140 Peg Peg 60 Peg phase Rayleigh wave phase velocity Power 2e+06 Power spectrum powergel prograde progressively delayed shots propagating and static pseudo-velocity radial component Radial particle motion radial/vertical plane SASW shear wave velocity shot line shown in Figure smoothed instantaneous spectrum source minus fixed spectra of motions static source Stephenson surface waves top 22m travelling source vertical component W. R. Bill Wainuiomata waveforms wavelengths WEST Particle motion ย ย