The main contents of this book include holography and holographic inter-ferometry, speckle photography and speckle interferometry, geometric moiré and moiré interferometry, phase-shifting interferometry and phase unwrapping, discrete transformation and low-pass filtering, digital holography and digital holographic interferometry, digital speckle interferometry and digital speckle shearing interferometry, digital image correlation and particle image velocimetry, etc. 本书主要内容包括全息照相与全息干涉、散斑照相与散斑干涉、几何云纹与云纹干涉、相移干涉与相位展开、离散变换与低通滤波、数字全息照相与数字全息干涉、数字散斑干涉与数字散斑剪切干涉、数字图像相关与粒子图像测速等。
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目录
Contents Chapter 1 Optical Measurement Mechanics Fundamentals 1 1.1 Optics 1 1.1.1 Geometrical Optics 1 1.1.2 Physical Optics 4 1.2 Optical Interference 6 1.3 Optical Diffraction 7 1.4 Optical Polarization 9 1.5 Optical Interferometers 10 1.6 Lasers 13 Chapter 2 Holography and Holographic Interferometry 15 2.1 Holography 15 2.1.1 Holographic Recording 15 2.1.2 Holographic Reconstruction 16 2.2 Holographic Interferometry 17 2.2.1 Phase Calculation 17 2.2.2 Double-Exposure Holographic Interferometry 18 2.2.3 Real-Time Holographic Interferometry 20 2.2.4 Time-Averaged Holographic Interferometry 22 2.2.5 Real-Time Time-Averaged Holographic Interferometry 23 2.2.6 Stroboscopic Holographic Interferometry 25 Chapter 3 Speckle Photography and Speckle Interferometry 27 3.1 Speckle Photography 27 3.1.1 Double-Exposure Speckle Photography 27 3.1.2 Time-Averaged Speckle Photography 31 3.1.3 Stroboscopic Speckle Photography 33 3.2 Speckle Interferometry 34 3.2.1 In-Plane Displacement Measurement 34 3.2.2 Out-of-Plane Displacement Measurement 36 3.3 Speckle Shearing Interferometry 37 Chapter 4 Geometric Moiré and Moiré Interferometry 40 4.1 Geometric Moiré 40 4.1.1 Geometric Moiré Formation 41 4.1.2 Geometric Moiré for Strain Measurement 42 4.1.3 Shadow Moiré for Out-of-Plane Displacement Measurement 47 4.1.4 Reflection Moiré for Slope Measurement 49 4.2 Moiré Interferometry 51 4.2.1 Real-Time Method for In-Plane Displacement Measurement 51 4.2.2 Differential Load Method for In-Plane Displacement Measurement 52 Chapter 5 Phase-Shifting Interferometry and Phase Unwrapping54 5.1 Phase-Shifting Interferometry 54 5.1.1 Temporal Phase-Shifting Interferometry 54 5.1.2 Spatial Phase-Shifting Interferometry 58 5.2 Phase Unwrapping 60 Chapter 6 Discrete Transformation and Low-Pass Filtering 62 6.1 Discrete Transformation 62 6.1.1 Discrete Fourier Transform 62 6.1.2 Discrete Cosine Transform 66 6.2 Low-Pass Filtering 67 6.2.1 Averaging Smooth Filtering in Space Domain 68 6.2.2 Median Smooth Filtering in Space Domain 69 6.2.3 Adaptive Smooth Filtering in Space Domain 70 6.2.4 Ideal Low-Pass Filtering in Frequency Domain 70 6.2.5 Butterworth Low-Pass Filtering in Frequency Domain 72 6.2.6 Exponential Low-Pass Filtering in Frequency Domain 73 Chapter 7 Digital Holography and Digital Holographic Interferometry 75 7.1 Digital Holography 75 7.1.1 Digital Holographic Recording 76 7.1.2 Digital Holographic Reconstruction 77 7.1.3 Digital Holographic Experiments 78 7.2 Digital Holographic Interferometry 79 Chapter 8 Digital Speckle Interferometry and Digital Speckle Shearing Interferometry 81 8.1 Digital Speckle Interferometry 81 8.1.1 In-Plane Displacement Measurement 81 8.1.2 Out-of-Plane Displacement Measurement 84 8.2 Digital Speckle Shearing Interferometry 86 Chapter 9 Digital Image Correlation and Particle Image Velocimetry 90 9.1 Digital Image Correlation 90 9.1.1 Image Correlation Principle 90 9.1.2 Image Correlation Algorithm 91 9.1.3 Image Correlation System 93 9.1.4 Image Correlation Experiment 94 9.2 Particle Image Velocimetry 95 9.2.1 Image Velocimetry Principle 95 9.2.2 Image Velocimetry Algorithm 96 9.2.3 Image Velocimetry System 98 Reference 101 目录 第1章 光测力学基础102 1.1光学102 1.1.1几何光学102 1.1.2物理光学104 1.2光波干涉105 1.3光波衍射106 1.4光波偏振107 1.5光学干涉仪107 1.6激光器109 第2章 全息照相与全息干涉110 2.1全息照相110 2.1.1全息记录110 2.1.2全息再现111 2.2全息干涉112 2.2.1相位计算112 2.2.2双曝光全息干涉112 2.2.3实时全息干涉114 2.2.4时间平均全息干涉115 2.2.5实时时间平均全息干涉117 2.2.6频闪全息干涉118 第3章 散斑照相与散斑干涉121 3.1散斑照相121 3.1.1双曝光散斑照相121 3.1.2时间平均散斑照相124 3.1.3频闪散斑照相126 3.2散斑干涉127 3.2.1面内位移测量127 3.2.2离面位移测量128 3.3散斑剪切干涉129 第4章 几何云纹与云纹干涉131 4.1几何云纹131 4.1.1几何云纹形成131 4.1.2几何云纹应变测量132 4.1.3影像云纹离面位移测量136 4.1.4反射云纹斜率测量138 4.2云纹干涉139 4.2.1实时法面内位移测量139 4.2.2差载法面内位移测量140 第5章 相移干涉与相位展开142 5.1相移干涉142 5.1.1时间相移干涉142 5.1.2空间相移干涉145 5.2相位展开147 第6章 离散变换与低通滤波149 6.1离散变换149 6.1.1离散傅里叶变换149 6.1.2离散余弦变换152 6.2低通滤波154 6.2.1空域均值平滑滤波154 6.2.2空域中值平滑滤波155 6.2.3空域自适应平滑滤波156 6.2.4频域理想低通滤波157 6.2.5频域巴特沃思低通滤波158 6.2.6频域指数低通滤波159 第7章 数字全息照相与数字全息干涉161 7.1数字全息照相161 7.1.1数字全息记录161 7.1.2数字全息再现162 7.1.3数字全息实验163 7.2数字全息干涉164 第8章 数字散斑干涉与数字散斑剪切干涉166 8.1数字散斑干涉166 8.1.1面内位移测量166 8.1.2离面位移测量169 8.2数字散斑剪切干涉171 第9章 数字图像相关与粒子图像测速174 9.1数字图像相关174 9.1.1图像相关原理174 9.1.2图像相关算法175 9.1.3图像相关系统177 9.1.4图像相关实验177 9.2粒子图像测速178 9.2.1图像测速原理178 9.2.2图像测速算法179 9.2.3图像测速系统180 参考文献183