Dispersion|curve imaging considerations when using multichannel ...

DISPERSION-CURVE IMAGING CONSIDERATIONS WHEN USING ...

The multichannel analysis of surface wave (MASW) method can be an efficient tool for mapping the near-surface shear-wave velocity (Vs). Data acquisition, ...

Dispersion-curve imaging considerations when using multichannel ...

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DISPERSION-CURVE IMAGING CONSIDERATIONS WHEN USING ...

This page is a summary of: DISPERSION-CURVE IMAGING CONSIDERATIONS WHEN USING MULTICHANNEL ANALYSIS OF SURFACE WAVE (MASW) METHOD , March 2015, Society of ...

DISPERSION-CURVE IMAGING CONSIDERATIONS WHEN USING ...

DISPERSION-CURVE IMAGING CONSIDERATIONS WHEN USING MULTICHANNEL ANALYSIS OF SURFACE WAVE (MASW) METHOD. Julian Ivanov 1. ,. Richard D. Miller 1. ,. Sarah Morton ...

Imaging dispersion curves of surface waves on multi-channel record

Pre-existing multi-channel processing methods require preparation of a shot gather with exceptionally large number of traces that cover wide ...

Imaging dispersion curves of surface waves on multi-channel record

Failure to separate the different modes can lead to erroneous results using current surface-wave analysis methods which account for the fundamental mode only ...

Imaging dispersion curves of surface waves on multi‐channel record

DISPERSION-CURVE IMAGING CONSIDERATIONS WHEN USING MULTICHANNEL ANALYSIS OF SURFACE WAVE (MASW) METHOD · Julian Ivanov; ,; Richard D. Miller; ,; Sarah Morton ...

SurfSeis MASW Software - Kansas Geological Survey

Each multichannel record is converted into a dispersion-curve image (a.k.a. Overtone), on which different dispersion patterns can be identified or interpreted ( ...

Quantification of the resolution of dispersion image in active MASW ...

This paper describes a strategy to address the above two issues, namely (a) quantifying the resolution of dispersion image, and (b) automated extraction of ...

Multichannel processing for dispersion curves extraction of ...

However, there are still some challenges to extract multimode dispersion curves due to many practical limitations, e.g., high spectral density ...

Multi-channel analysis of surface waves (MASW) using dispersion ...

An overtone (OT) image (plot between frequency and phase velocity of the wave) is constructed for each shot gather (Fig. 5). It is generated by ...

Study on the influencing factors of combined processing of active ...

Moreover, the effectiveness of this strategy in enhancing the quality of dispersion image is verified, especially when surface-wave dispersion images perform ...

Tool for analysis of multichannel analysis of surface waves (MASW ...

The performance of the dispersion analysis tool is validated by comparison with results obtained by the Geopsy software package. Verification of the inversion ...

OFFSET AND RESOLUTION OF DISPERSION CURVE IN ... - MASW

Park, C.B., Miller, R.D., and Xia, J., 1998a, Imaging dispersion curves of surface waves on multi- channel record: Technical Program with biographies, SEG, 68th ...

Generation of Rayleigh-wave dispersion images from multichannel ...

Luke and colleagues at the University of Nevada Las Vegas, are analysed. By comparing the real-field dispersion image with the results from ...

Multichannel Multiple Signal Classification for dispersion curves ...

Multichannel acquisition of ultrasonic guided waves can be used to extract dispersion curves, from the time-position domain (t-x) to the ...

Passive multichannel analysis of surface waves using 1D and 2D ...

Peterie, 2015, Dispersion-curve imaging considerations when using multichannel analysis of surface waves (MASW) method: Symposium on the ...

Slant f-k transform of multichannel seismic surface wave data

The dispersion curve is also observed in the conventional 2D FT f - k image, but it is strongly distorted (see Figure). For this example, both ...

Advantages and Disadvantages of Passive Multichannel Analysis of ...

However, multi-azimuthal sources observed on a single record can enhance or interfere on the dispersion curve image (i.e., frequency – velocity spectrum) ...

Generation of Rayleigh-wave dispersion images from multichannel ...

Luke and colleagues at the University of Nevada Las Vegas, are analysed. By comparing the real-field dispersion image with the results from other methods, the ...