期刊: NEAR SURFACE GEOPHYSICS, 2021; 19 (4)
Wave-equation traveltime inversion (WTI) can be used to automatically obtain a background near-surface velocity model (NSM), which overcomes the high-......
期刊: NEAR SURFACE GEOPHYSICS, 2021; 19 (4)
In the last decade, time-domain crosshole ground-penetrating radar full-waveform inversion has been applied to several different test sites and has im......
期刊: NEAR SURFACE GEOPHYSICS, 2020; 18 (6)
Migration is considered to be a key step in the data processing of the seismic advancement predictions of tunnels, and it directly affects the final i......
期刊: NEAR SURFACE GEOPHYSICS, 2020; 18 (2)
To improve the resolution of seismic data, it is important to accurately estimate the near-surface quality factor, Q, which provides a measure of seis......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (1)
Near-surface velocity structures are generally inverted by ray-based traveltime tomography in which the objective function is usually constructed usin......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (2)
Ground-penetrating radar is widely used in non-destructive underground inspection because of its precision and high resolution, especially at shallow ......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (2)
Ground penetrating radar is a popular approach to detect defects in tunnel lining. However, the interpretation is usually based on the original image,......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (3)
Detection of leakage in a buried water pipe is a crucial issue, as underground pipes become aged and these pipes are often used as pathways for aggres......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (4)
Inversion of ground-penetrating radar signals requires accurate and efficient forward modelling. The symplectic Euler method promises good results whe......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (5)
Identification of different modes of Rayleigh waves is essential in surface-wave surveys. Multi-mode Rayleigh waves can provide higher accuracy of the......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (5)
When the depth of the shallow three-dimensional seismic exploration is less than 100 m, one often encounters very low velocities for the target and hi......
期刊: NEAR SURFACE GEOPHYSICS, 2019; 17 (5)
Reflection traveltime tomography has been used to describe subsurface velocity structures which, in practice, can be used as a background or initial m......
期刊: NEAR SURFACE GEOPHYSICS, 2018; 16 (1)
We apply a joint first-arrival traveltime and early-arrival waveform inversion method to image complex near-surface structures in the Sichuan Basin, C......
期刊: NEAR SURFACE GEOPHYSICS, 2018; 16 (1)
We propose a new method for including sparsity constraints into potential field data inversion using a Laplacian kernel. The method obtains three-dime......
期刊: NEAR SURFACE GEOPHYSICS, 2018; 16 (1)
Missing and irregular ground-penetrating radar trace data resulting from sampling conditions are important issues in engineering. This study adopted c......