Deep learning for extracting dispersion curves

T Dai, J **a, L Ning, C **, Y Liu, H **ng - Surveys in Geophysics, 2021 - Springer
High-frequency surface-wave methods have been widely used for surveying near-surface
shear-wave velocities. A key step in high-frequency surface-wave methods is to acquire …

Artifacts in high-frequency passive surface wave dispersion imaging: Toward the linear receiver array

F Cheng, J **a, C ** - Surveys in Geophysics, 2023 - Springer
Passive surface wave methods are non-invasive, low-cost, and robust approaches to image
near-surface shear-wave velocity (Vs) structure using passive seismic sources. A clean and …

Frequency‐Bessel transform method for effective imaging of higher‐mode Rayleigh dispersion curves from ambient seismic noise data

J Wang, G Wu, X Chen - Journal of Geophysical Research …, 2019 - Wiley Online Library
It has been widely recognized that the cross‐correlation function of ambient seismic noise
data recorded at two stations approximates to the part of Greens function between two …

Wave-equation dispersion inversion

J Li, Z Feng, G Schuster - Geophysical Journal International, 2017 - academic.oup.com
We present the theory for wave-equation inversion of dispersion curves, where the misfit
function is the sum of the squared differences between the wavenumbers along the …

Near-surface Rayleigh wave dispersion curve inversion algorithms: a comprehensive comparison

XH Yang, Y Zhou, P Han, X Feng, X Chen - Surveys in Geophysics, 2024 - Springer
Rayleigh wave exploration is a powerful method for estimating near-surface shear-wave (S-
wave) velocities, providing valuable insights into the stiffness properties of subsurface …

Frequency–wavenumber (FK)-based data selection in high-frequency passive surface wave survey

F Cheng, J **a, Z Xu, Y Hu, B Mi - Surveys in Geophysics, 2018 - Springer
Passive surface wave methods have gained much attention from geophysical and civil
engineering communities because of the limited application of traditional seismic surveys in …

Pseudo-linear-array analysis of passive surface waves based on beamforming

Y Liu, J **a, F Cheng, C **, C Shen… - Geophysical Journal …, 2020 - academic.oup.com
Linear arrays are usually deployed for passive surface-wave investigations because of their
high efficiency and convenience. In populated urban areas, it is almost impossible to set up …

Removal of crossed artifacts from multimodal dispersion curves with modified frequency–Bessel method

J Zhou, X Chen - Bulletin of the Seismological Society of …, 2022 - pubs.geoscienceworld.org
ABSTRACT Frequency–Bessel (F‐J) transform method can obtain higher‐mode Rayleigh
dispersion curves by multistation ambient noise data superposition. Because the dispersion …

Near-surface geothermal reservoir imaging based on the customized dense seismic network

C Zhou, J **a, J Pang, F Cheng, X Chen, C **… - Surveys in …, 2021 - Springer
Exploration of geothermal resources has become one of the major drivers for urbanization
and economic transformation in southeast China, and it calls for temporal and spatial …

High‐resolution near‐surface imaging at the basin scale using dark fiber and distributed acoustic sensing: Toward site effect estimation in urban environments

F Cheng, JB Ajo‐Franklin… - … Research: Solid Earth, 2023 - Wiley Online Library
Near‐surface seismic structure, particularly the shear wave velocity (Vs), can strongly affect
local site response, and should be accurately estimated for ground motion prediction during …