Contents 1 Research Progress of Semi-physical Verification Technology Based on Photoelectric Sensing 1 1.1Origin and Development of Semi-physical Simulation Technology 1 1.2Basic Concept of Semi-physical Simulation Verification 4 1.3System Structure of Semi-physical Simulation Verification 5 1.4Application of Photoelectric Sensing Technology in Semi-physical Verification Test 7 1.4.1Application of Photoelectric Sensing Technology in Military Field in Semi-physical Verification Test 7 1.4.2Application of Photoelectric Sensing Technology in Civil Field in Semi-physical Verification Test 14 1.5Research Progress of Semi-physical Verification Technology for RFID Dynamic Performance 21 1.5.1 Semi-physical Testing System for Single RFID Tag_22 1.5.2Semi-physical Testing System for Pallet Level RFID Tag 29 1.5.3Semi-physical Testing System for Packaging Grade RFID Tag 34 1.5.4Semi-physical Testing System for High Power Level RFID Tag 37 1.6Summary 40 References 41 2Multi-antenna Optimal Reception Theory and Semi-physical Verification for RFID-MIMO System 45 2.1 MIMO Wireless Communication Technology 46 2.2Channel Model of RFID-MIMO System 47 2.3 Simulation and Analysis of RFID-MIMO System 50 2.4Antenna Selection Technique 52 2.4.1 0ptimal Antenna Selection Technique 53 2.4.2Sub-optimal Antenna Selection Technique 54 2.4.3Simulation and Analysis__ 56 2.5Semi-physical Verification Method of RFID Reading Distance Measurement Based on Photoelectric Sensor 58 2.5.1Indirect Ranging Algorithm for Single Tag System 59 2.5.2Indirect Ranging Algorithm for Multi-tag System 61 2.5.3Performance Testing for Single Tag 64 2.5.4Performance Testing for Multi-tag 65 2.5.5Multi-tag Anti-collision Performance Test 66 2.6Summary 67 References 68 3Influence of Temperature on the Dynamic Reading Performance of UHF RFID System: Thermodynamic Analysis and Semi-physical Verification 69 3.1Theory of Heat Transfer 70 3.2The Effect of Temperature on Reading Distance of RFID System 71 3.2.1Reading Distance of RFID System 71 3.2.2 Temperature Effect on Reading Distance 72 3.3 Measuring System and Measuring Method 73 3.3.1Design of the Temperature Control System 73 3.3.2Semiconductor Cooler 75 3.3.3Semi-physical Verification System Platform 76 3.4Experimental Results and Analysis 78 3.4.1Influence of the Thickness of Plastic Box 78 3.4.2Establishment of Fitted Model 80 3.4.3Predication of the Reading Distance of Tags 81 3.5Summary 83 References 83 4 0ptimal Analysis and Semi-physical Verification of Geometric Distribution of RFID Multi-tag Based on Fisher Matrix 85 4.1Tag Geometric Distribution Model 85 4.2Mathematical Foundation of Optimal Multi-tag Geometric Topology 87 4.3 Distribution Model Based on Fisher Information Matrix 88 4.4Research on Geometric Distribution of Multi-tag Optimization 90 4.4.1Design of Semi-physical Verification System 90 4.4.2Semi-physical Experiment Verification 92 4.5Research on Multi-tag Dynamic Geometry Model 96 4.5.1Theoretical Derivation 96 4.5.2 System Simulation and Analysis 97 4.5.3 Target Moves Uniformly Along Different Paths 97 4.5.4Target Moves with Variable Speed Along Different Paths 99 4.6Summary 102 References 104 5Application and Semi-physical Verification of Artificial Neural Network in RFID Multi-tag Distribution Optimization 105 5.10ptimization of RFID Multi-tag Distribution Based on BP Neural Network 106 5.1.1 Basic Concept of BP Neural Network 106 5.1.2The Algorithm of BP Neural Network 107 5.1.3Design and Implement of RFID Multi-tag Detection System 110 5.1.4Training of BP Neural Network and Result Analysis 113 5.20ptimization of RFID Multi-tag Distribution Based on GA-BP Neural Network 115 5.2.1Basic Concept of GA-BP Neural Network 115 5.2.2GA-BP Algorithm 117 5.2.3Result of GA-BP Neural Network 119 5.30ptimization of RFID Multi-tag Distribution Based on PSO Neural Network 122 5.3.1Basic Concept of PSO Neural Network_ 122 5.3.2PSO Algorithm 123 5.3.3PSO Neural Network Training and Result Analysis 125 5.4Comparison of Different Neural Network Optimization Methods 127 5.5Summary 128 References 130 6 0ptimal Distribution and Semi-physical Verification of RFID Multi-tag Performance Based on Image Processing 131 6.1 Support Vector Machine 131 6.2SVM Regression Algorithm 133 6.2.1 Principle of SVM Regression Algorithm 133 6.2.2 SVM Training Algorithm 134 6.2.3SVM Problem Solving Strategies and Steps 136 6.3Design of Semi-physical Verification System 137 6.3.1 Structure of Image Analysis System 137 6.3.2Semi-physical Verification Test Process 139 6.4Tag Network for 2D Distribution Based on Flood-Fill 140 6.4.1Morphological Operation in Tag Image Processing 141 6.4.2Location Extraction of Tags and Establishment of Tag Network 143 6.4.30ptimal Geometric Distribution Prediction of RFID Tags Based on SVM 146 6.4.4Experimental Verification of Optimal Geometric Distribution of RFID Tags 147 6.5Tag Network Model Under 3D Distribution 148 6.5.1Tag Recognition Based on Pattern Recognition 149 6.5.2Tag's Position Based on DLT 151 6.5.30ptimal Tag Location and Distribution Prediction 153 6.63D Measurement Modeling Method of RFID Multi-tag Network Based on Vision 154 6.6.1 Semi-physical Verification System 155 6.6.2Canny Edge Detection Operator 156 6.6.3Horizontal Camera Control 157 6.6.4Testing Process 158 6.6.5Test Example 160 6.7Summary 164 References 165 7Application of Semi-physical Verification Technology in Other Areas of IOT 167 7.1 Semi-physical Verification of Dynamic Performance Test of EVI for IOV 167 7.1.1Development of Vehicle Networking 168 7.1.2Main Application of RFID Technology in Vehicle Networking-EVI 169 7.1.3Dynamic Test Procedure of EVI 170 7.1.4Dynamic Test of EVI 172 7.2Semi-physical Verification of 2D Barcode Dynamic Image Quality Detection in Logistics Environment 176 7.2.1Research Progress of Barcode Technology 176 7.2.2Detection Technology Fundamentals and Research Progress of Two Dimensional Barcode 184 7.2.3 Design and Implementation of Two Dimensional Barcode Photoelectric Dynamic Detection System in Logistics Environment 191 7.2.4Semi-physical Verification of 2D Barcode Dynamic Image Quality Detection 212 7.2.5Two Dimensional Barcode Photography Positioning in Logistics Environment 219 7.3Summary 221 References Appendix A 225 Appendix B 231