Results 21 to 30 of about 1,418,898 (156)
E3S Web of Conferences, 2018 Ground structure characteristic is an important parameter in seismic site effect evaluation for earthquake structural design. Many geophysical methods can be used to estimate ground structure.
Cheah Yi Ben, Lau Tze Liang
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Inversion of Rayleigh wave dispersion curves based on antlion optimizer
地质科技通报, 2023 Inverting Rayleigh wave dispersion curves to obtain S-wave velocity profiles is one of the most important steps in near-surface Rayleigh wave exploration.
Yiming Wang +2 more
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A semi-analytical method for identification of thin elastic plate parameters basing on LWM
Computer Assisted Methods in Engineering and Science, 2017 A new semi-analytical method, discussed in the presented paper, is composed of two stages. Stage A corresponds to the direct analysis, in which the Lamb Waves Measurements (LWM) technique enables obtaining an experimental set of points , where f and k ...
Ewa Pabisek +2 more
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Shear-Wave Tomography Using Ocean Ambient Noise with Interference
Remote Sensing, 2020 Ambient noise carries abundant subsurface structure information and attracts ever-increasing attention in the past decades. However, there are lots of interference factors in the ambient noise in the real world, making the noise difficult to be utilized ...
Guoli Wu +3 more
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Remote Sensing, 2021 The North China Craton (NCC) has experienced strong tectonic deformation and lithospheric thinning since the Cenozoic. To better constrain the geodynamic processes and mechanisms of the lithospheric deformation, we used a linear damped least squares ...
Xiaoming Xu +3 more
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Research Advancements in Surface Wave Exploration
CT Lilun yu yingyong yanjiu, 2023 Surface wave exploration plays a vital role in obtaining target detection information by analyzing and retrieving the dispersion curve of surface waves. Although surface wave exploration technology originated in the 1960s, it has experienced significant ...
Xuanning CHEN +3 more
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Applied Sciences, 2023 The identification of a blood vessel’s elastic properties by an ultrasonic guided wave mainly depends on the accurate propagation characteristics, which are obtained by solving the problem of elastic mechanics based on a thin-plate model.
Kehua Sun +5 more
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Regulation Mechanism of the Shock Waves in a Pentamode Lattice-Ring Structure Subjected to Collision
Crystals, 2022 This paper hopes to explore the application potential of pentamode materials in the field of shock protection. Hammer percussion tests revealed that the peak strain of the inner-ring front shock surface of the pentamode lattice-ring structure is 103.9 ...
Zhenhua Zhang, Bangyi Han
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A Study on the Imaging Method for the Channel Wave Dispersion Curve Variability Function
, 2022 When the channel wave passes through the abnormal body, the dispersion curve appears interval, dislocation, and discontinuity, resulting in the non-standard and large error of the “velocity-frequency” pickup result of the transmitted channel ...
Xing Gao, Yanhui Wu, Wei Wang
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Measurement Science Review, 2023 The influence of the wavelength difference between the laser source and the phase-shifted fiber Bragg grating (PS-FBG) on the intensity of the power demodulation system based on an adjustable laser source was studied experimentally, and the optimum of ...
Meng Lijun, Tan Xin, Yu Quanquan
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