CROSSHOLE

作品数：7被引量：5H指数：1
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Comparison of deterministic and stochastic approaches to crosshole seismic travel-time inversions
《Earth and Planetary Physics》2019年第6期547-559,共13页YanZhe Zhao YanBin Wang 
supported by the National Natural Science Foundation of China (grant nos. 41930103 and 41674052)
The Bayesian inversion method is a stochastic approach based on the Bayesian theory.With the development of sampling algorithms and computer technologies,the Bayesian inversion method has been widely used in geophysic...
关键词：stochastic APPROACH DETERMINISTIC APPROACH Bayesian inversion MARKOV Chain MONTE Carlo Tikhonov REGULARIZATION 
Acoustic Based Crosshole Full Waveform Slowness Inversion in the Time Domain被引量：2
《Journal of Applied Mathematics and Physics》2018年第5期1086-1110,共25页Wensheng Zhang Atish Kumar Joardar 
We develop a new full waveform inversion (FWI) method for slowness with the crosshole data based on the acoustic wave equation in the time domain. The method combines the total variation (TV) regularization with the c...
关键词：ACOUSTIC Wave Equation CROSSHOLE Full WAVEFORM INVERSION SLOWNESS BOUND Constraints TV Regularization 
Quantitative Multi-Layer Electromagnetic Induction Inversion and Full-Waveform Inversion of Crosshole Ground Penetrating Radar Data被引量：1
《Journal of Earth Science》2015年第6期844-850,共7页Jan van der Kruk Nils Gueting Anja Klotzsche Guowei He Sebastian Rudolph Christian von Hebel Xi Yang Lutz Weihermüller Achim Mester Harry Vereecken 
Due to the recent system developments for the electromagnetic characterization of the subsurface, fast and easy acquisition is made feasible due to the fast measurement speed, easy coupling with GPS systems, and the a...
关键词：ground penetrating radar electromagnetic induction full-waveform inversion. 
Validity of the Refraction Microtremors (ReMi) Method for Determining Shear Wave Velocities for Different Soil Types in Egypt被引量：1
《International Journal of Geosciences》2011年第4期530-540,共11页Mohamed Ahmed Gamal Satish Pullammanappallil 
The Refraction Microtremor (ReMi) method is being used around the world by the geotechnical and geophysical community to determine shear-wave velocities. This is due to its faster, less expensive and accurate determin...
关键词：REFRACTION MICROTREMORS ReMi CROSSHOLE DOWNHOLE Shear Wave EGYPT 
High Precision Time Domain Forward Modeling for Crosshole Electromagnetic Tomography
《Journal of China University of Geosciences》2007年第4期320-325,共6页林树海 赵立英 
This paper is supported by the Focused Subject Program of Beijing (No. XK104910598);Foundation for Returned Students of Ministry of Education, and Foundation of China University of Geosciences (Beijing).
To improve the resolution of crosshole electromagnetic tomography, high precision of forward modeling is necessary. A pseudo-spectral time domain （PSTD） forward modeling was used to simulate electromagnetic wave pro...
关键词：finite difference time domain method pseudo.spectral time domain algorithm forward modeling tomography. 
Crosshole ultrasonic tomography and its application to karst investigation被引量：1
《Acta Seismologica Sinica(English Edition)》2003年第4期441-448,共8页刘红桂 刘建达 许汉刚 宋文荣 
Joint Seismological Science Foundation of China (602013).
Crosshole ultrasonic tomography is referred to ray tracing by griding method and image reconstruction by combining the successively linearized iteration with damping least-squares QR decomposition, with which the resu...
关键词：ULTRASONIC TOMOGRAPHY karst investigation + 
CROSSHOLE SEISMIC TECHNOLOGY AND ITS APPLICATION
《Geotectonica et Metallogenia》2002年第1期93-100,共8页SONG Jian guo, DU Shi tong and WANG Yong gang(Earth Resource and Information College, University of Petroleum (East China), Dongying Shandong 257062, China) 
This study shows crosshole seismic technology can offer not only images of crosshole tomography, but also reflect sections of high resolution. Proper processing of crosshole seismic reflect data produces a high qualit...
关键词：CROSSHOLE THIN BED RESERVOIR DESCRIPTION development SEISMOLOGY 
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