物联网系统动态性能半物理验证技术 英文PDF电子书下载

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1 Research Progress of Semi-physical Verification Technology Based on Photoelectric Sensing 1

1.1 Origin and Development of Semi-physical Simulation Technology 1

1.2 Basic Concept of Semi-physical Simulation Verification 4

1.3 System Structure of Semi-physical Simulation Verification 5

1.4 Application of Photoelectric Sensing Technology in Semi-physical Verification Test 7

1.4.1 Application of Photoelectric Sensing Technology in Military Field in Semi-physical Verification Test 7

1.4.2 Application of Photoelectric Sensing Technology in Civil Field in Semi-physical Verification Test 14

1.5 Research Progress of Semi-physical Verification Technology for RFID Dynamic Performance 21

1.5.1 Semi-physical Testing System for Single RFID Tag 22

1.5.2 Semi-physical Testing System for Pallet Level RFID Tag 29

1.5.3 Semi-physical Testing System for Packaging Grade RFID Tag 34

1.5.4 Semi-physical Testing System for High Power Level RFID Tag 37

1.6 Summary 40

References 41

2 Multi-antenna Optimal Reception Theory and Semi-physical Verification for RFID-MIMO System 45

2.1 MIMO Wireless Communication Technology 46

2.2 Channel Model of RFID-MIMO System 47

2.3 Simulation and Analysis of RFID-MIMO System 50

2.4 Antenna Selection Technique 52

2.4.1 Optimal Antenna Selection Technique 53

2.4.2 Sub-optimal Antenna Selection Technique 54

2.4.3 Simulation and Analysis 56

2.5 Semi-physical Verification Method of RFID Reading Distance Measurement Based on Photoelectric Sensor 58

2.5.1 Indirect Ranging Algorithm for Single Tag System 59

2.5.2 Indirect Ranging Algorithm for Multi-tag System 61

2.5.3 Performance Testing for Single Tag 64

2.5.4 Performance Testing for Multi-tag 65

2.5.5 Multi-tag Anti-collision Performance Test 66

2.6 Summary 67

References 68

3 Influence of Temperature on the Dynamic Reading Performance of UHF RFID System：Thermodynamic Analysis and Semi-physical Verification 69

3.1 Theory of Heat Transfer 70

3.2 The Effect of Temperature on Reading Distance of RFID System 71

3.2.1 Reading Distance of RFID System 71

3.2.2 Temperature Effect on Reading Distance 72

3.3 Measuring System and Measuring Method 73

3.3.1 Design of the Temperature Control System 73

3.3.2 Semiconductor Cooler 75

3.3.3 Semi-physical Verification System Platform 76

3.4 Experimental Results and Analysis 78

3.4.1 Influence of the Thickness of Plastic Box 78

3.4.2 Establishment of Fitted Model 80

3.4.3 Predication of the Reading Distance of Tags 81

3.5 Summary 83

References 83

4 Optimal Analysis and Semi-physical Verification of Geometric Distribution of RFID Multi-tag Based on Fisher Matrix 85

4.1 Tag Geometric Distribution Model 85

4.2 Mathematical Foundation of Optimal Multi-tag Geometric Topology 87

4.3 Distribution Model Based on Fisher Information Matrix 88

4.4 Research on Geometric Distribution of Multi-tag Optimization 90

4.4.1 Design of Semi-physical Verification System 90

4.4.2 Semi-physical Experiment Verification 92

4.5 Research on Multi-tag Dynamic Geometry Model 96

4.5.1 Theoretical Derivation 96

4.5.2 System Simulation and Analysis 97

4.5.3 Target Moves Uniformly Along Different Paths 97

4.5.4 Target Moves with Variable Speed Along Different Paths 99

4.6 Summary 102

References 104

5 Application and Semi-physical Verification of Artificial Neural Network in RFID Multi-tag Distribution Optimization 105

5.1 Optimization of RFID Multi-tag Distribution Based on BP Neural Network 106

5.1.1 Basic Concept of BP Neural Network 106

5.1.2 The Algorithm of BP Neural Network 107

5.1.3 Design and Implement of RFID Multi-tag Detection System 110

5.1.4 Training of BP Neural Network and Result Analysis 113

5.2 Optimization of RFID Multi-tag Distribution Based on GA-BP Neural Network 115

5.2.1 Basic Concept of GA-BP Neural Network 115

5.2.2 GA-BP Algorithm 117

5.2.3 Result of GA-BP Neural Network 119

5.3 Optimization of RFID Multi-tag Distribution Based on PSO Neural Network 122

5.3.1 Basic Concept of PSO Neural Network 122

5.3.2 PSO Algorithm 123

5.3.3 PSO Neural Network Training and Result Analysis 125

5.4 Comparison of Different Neural Network Optimization Methods 127

5.5 Summary 128

References 130

6 Optimal Distribution and Semi-physical Verification of RFID Multi-tag Performance Based on Image Processing 131

6.1 Support Vector Machine 131

6.2 SVM Regression Algorithm 133

6.2.1 Principle of SVM Regression Algorithm 133

6.2.2 SVM Training Algorithm 134

6.2.3 SVM Problem Solving Strategies and Steps 136

6.3 Design of Semi-physical Verification System 137

6.3.1 Structure of Image Analysis System 137

6.3.2 Semi-physical Verification Test Process 139

6.4 Tag Network for 2D Distribution Based on Flood-Fill 140

6.4.1 Morphological Operation in Tag Image Processing 141

6.4.2 Location Extraction of Tags and Establishment of Tag Network 143

6.4.3 Optimal Geometric Distribution Prediction of RFID Tags Based on SVM 146

6.4.4 Experimental Verification of Optimal Geometric Distribution of RFID Tags 147

6.5 Tag Network Model Under 3D Distribution 148

6.5.1 Tag Recognition Based on Pattern Recognition 149

6.5.2 Tag’s Position Based on DLT 151

6.5.3 Optimal Tag Location and Distribution Prediction 153

6.6 3D Measurement Modeling Method of RFID Multi-tag Network Based on Vision 154

6.6.1 Semi-physical Verification System 155

6.6.2 Canny Edge Detection Operator 156

6.6.3 Horizontal Camera Control 157

6.6.4 Testing Process 158

6.6.5 Test Example 160

6.7 Summary 164

References 165

7 Application 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

7.1.1 Development of Vehicle Networking 168

7.1.2 Main Application of RFID Technology in Vehicle Networking—EVI 169

7.1.3 Dynamic Test Procedure of EVI 170

7.1.4 Dynamic Test of EVI 172

7.2 Semi-physical Verification of 2D Barcode Dynamic Image Quality Detection in Logistics Environment 176

7.2.1 Research Progress of Barcode Technology 176

7.2.2 Detection 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

7.2.4 Semi-physical Verification of 2D Barcode Dynamic Image Quality Detection 212

7.2.5 Two Dimensional Barcode Photography Positioning in Logistics Environment 219

7.3 Summary 221

References 222

Appendix A 225

Appendix B 231

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