Multimode dispersion measurement of surface waves extracted by ...

Imaging dispersion curves of surface waves on multi-channel record

Summary Real and synthetic data verifies the wavefield transformation method described here converts surface waves on a shot gather directly into images of ...

Characterizing the shallow structure with the multimodal dispersion ...

Generally, the analysis of DSS data mainly focuses on body waves, while the surface waves are considered noise. We suggest that the surface waves in DSS data ...

Application of Surface-wave methods for seismic site characterization

array of sensors by means of the inversion of surface wave dispersion curves extracted by seismic noise analysis. ... multimode Rayleigh wave dispersion curves ...

Global reference seismological data sets: multimode surface wave ...

Our compilation included global catalogues of dispersion data measured by eight groups with domain expertise in processing surface wave.

Full waveform inversion of multimode surface wave data

The dispersion spectra of these data are shown in Figure 1b and 1d. The white dash line separates the region of the spectra that is dominated by the high-energy ...

Dispersion and the dissipative characteristics of surface waves in ...

Surface wave analysis is a well-known procedure where phase and group velocity of dispersive surface waves are inverted to estimate shear wave velocity ...

Numerical verification of extracting surface wave dispersion ...

In the case of typical shallow geological model, the dispersion curves of Rayleigh wave estimated by single station and the Multichannel Analysis of Surface ...

Global reference seismological data sets: multimode surface wave ...

The choice of the starting 1-D or 3-D model for guiding dispersion measurements could therefore be more significant for Love waves and influence ...

Artifacts in high-frequency surface wave dispersion imaging

Multi-channel analysis of passive surface waves based on cross-correlations. ... the obtained dispersion measurement. The. 1060 red dotted ...

Multi-Mode Surface Wave Tomography of a Water-Rich Layer of the ...

Figure 5d shows a good fit between the final model's dispersion curve and the measured data. This process was repeated for the inversion of all ...

Frequency-Bessel multi-mode surface wave tomography utilizing ...

Our analysis revealed that the sources of these waves closely correspond to typhoon tracks, confirming that they were primarily excited by ...

Dispersion extraction with near-field measurements in periodic ...

In case of Bloch-waves with smooth profiles, terms with s ≠ 0 are small allowing efficient dispersion extraction. It appears that the latter condition was ...

Repeatability of multimode Rayleigh-wave dispersion studies

The same seismic data obtained for surface-wave dispersion analysis also provided another means of examining the shal- low subsurface through standard three ...

Multi-channel analysis of surface waves (MASW) of models with ...

The. MASW dispersion-curve images of the Rayleigh wave are obtained using various sets of source-offset and spread-size configurations from the synthetic ...

Imaging dispersion curves of surface waves on multi‐channel record

McMechan, G. A., and Yedlin, M. J., 1981, Analysis of dispersive waves by wave field transformation: Geophysics,. 46, 869-874. Mokhtar, T. A., Herrrnann, R. B., ...

MODAL SEPARATION BEFORE DISPERSION CURVE ... - Geometrics

Accurate extraction of dispersion curves is the most critical part with any surface-wave method. Although a multichannel method like Multichannel Analysis ...

A Modified Cross-correlation Beamforming (MCBF) for Extracting ...

... extract multimode surface wave dispersion curves from ambient seismic noise ... As far as the measurement of azimuth-averaged velocity is ...

Surface wave inversion - Wikipedia

Surface-wave inversion is the method by which elastic properties, density, and thickness of layers in the subsurface are obtained through analysis of surface- ...

BEHAVIOR OF APPARENT DISPERSION CURVE AND ITS ...

Among these methods, the MASW (multi-station analysis of surface wave) is the more popular one nowadays. The MASW is mainly based on picking the fundamental ...

Surface wave dispersion inversion using an energy likelihood function

The surface wave dispersion information obtained as above can be ... data to obtain reliable broad-band surface wave dispersion measurements,.