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瞬变电磁法拟地震偏移成像研究(英文版)(springer排版无制作文件)


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瞬变电磁法拟地震偏移成像研究(英文版)(springer排版无制作文件)
  • 书号:9787030501516
    作者:Xiu Li,Gouqiang Xue,Changchun Yin
  • 外文书名:
  • 装帧:平装
    开本:B5
  • 页数:
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    语种:en
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  • 所属分类:地球物理学
  • 定价: ¥307.00元
    售价: ¥242.53元
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目录

  • Contents
    1 Development and Prospect of Transient Electromagnetic Method 1
    1.1 Overview on TEM Method 1
    1.2 The Development Direction of TEM 4
    1.3 Frontier Subject of TEM Pseudo-seismic Migrationand Imaging 8
    1.3.1 TEM Imaging Based on Equivalent Time-Frequency Conversion 8
    1.3.2 TEM Imaging Technology Based on the WaveField Conversion 10
    1.3.3 Reverse Time Migration and Imaging Method 11
    1.4 Research Progress of Pseudo-seismic Migrationand Imaging in TEM 13
    References 14
    2 Theory and Technology of Full-Zone Wave FieldTransformation 17
    2.1 Theoretical Formula Construction 18
    2.2 Ill-Posedness of Inverse Wave Field Transformation Analysis 19
    2.3 Numerical Methods for Wave Field Transformation 20
    2.4 Preconditioned Conjugate Gradient Regularization for InverseWave Field Transformation 26
    2.5 Correlation Stacking Method for Extracting PseudoWave Field 31
    2.6 Effectiveness Test of the Algorithm 33
    References 37
    3 Property of TEM Pseudo Wave Field 39
    3.1 Two-Layer Model Analysis 39
    3.1.1 Wave Field with Single Positive Peak 39
    3.1.2 Wave Field with Single Negative Peak 44
    3.2 Three-Layer Model Analysis 49
    3.2.1 Q-Type Model with Double Positive Peaks 49
    3.2.2 H-Type Model with Positive–Negative Peaks 52
    3.2.3 K-Type Model with Negative–Positive Peaks 52
    3.2.4 A-Type Model with Double Negative Peaks 57
    3.3 Wave Field Characteristics of Time-Domain EM Responseswith Noise 57
    4 Synthetic Aperture Algorithms and Compressionof Wavelet Width 75
    4.1 Imaging Method Based on Synthetic Aperture 75
    4.2 Compression of Wavelet Width 77
    4.2.1 The Phenomenon of Waveform Dispersion 77
    4.2.2 The Reason of Waveform Dispersion 78
    4.2.3 Waveform Dispersion Compression Basedon Deconvolution 79
    4.2.4 Model Calculations 82Reference 85
    5 Surface Continuation and Imaging of TEM Basedon Pseudo Wave Equations 87
    5.1 Establishment of Kirchhoff Diffraction Integral 87
    5.2 Migration by Kirchhoff Integration (Surface Continuation) 93
    5.3 Boundary Element Method for Wave Field Continuation 95
    5.3.1 Discretization of Kirchhoff Integration 95
    5.3.2 Analysis on Elements 95
    5.3.3 Total Matrix 97
    5.3.4 Integration Over Elements 98
    6 Velocity Analysis of TEM Pseudo Wave Field 105
    6.1 Velocity Modelling Based on Equivalent Conductive PlateMethod 105
    6.1.1 Basic Theory of Equivalent Conductive Plate Method 106
    6.1.2 Approximate Calculation of TEM Fieldat the Surface of a Horizontally Layered Earth 108
    6.1.3 Optimized Extraction of Parameter m 110
    6.2 Velocity Model for Single Observation Point 112
    6.3 Continuous Velocity Analysis 114
    6.3.1 Weighted Interpolation Based on Global Distance 114
    6.3.2 Localized Linear Interpolation 115
    7 Imaging of Theoretical Model and Field Examples 125
    7.1 Model Calculations 125
    7.1.1 Layered Model 125
    7.1.2 Three-Dimensional Model 126
    7.2 Examples with Field Data 131
    7.2.1 Advanced Detection of Tunnel 131
    7.2.2 Detection of Goaf of Coal Mine 135
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