Lesson 1 Periodic Signals 1
1.1 Time-Domain Description 1
1.2 Frequency-Domain Description 2
1.3 Orthogonal Functions 3
1.4 The Fourier Series 5
Exercises 10
Reading Material: Underwater Acoustic Signal 11
Lesson 2 Aperiodic Signals 13
2.1 Introduction 13
2.2 The Exponential Form of the Fourier Series 13
2.3 The Fourier Transform 14
2.4 The Laplace Transform 20
Exercises 26
Reading Material: Properties of Signal and Noise 27
Lesson 3 Sampled-Data Signals 29
3.1 Introduction 29
3.2 Mathematical Description Using the Dirac Function 29
3.3 Spectra of Sampled-data Signals 30
3.4 The z-transform 32
Exercises 38
Reading Material: Signal Sampling 40
Lesson 4 Random Signals 43
4.1 Introduction 43
4.2 Elements of Probability Theory 45
4.3 Amplitude Distribution and Moments 48
4.4 The Autocorrelation and Power Spectral Density 51
Exercises 56
Reading Material: The Processing of Random Signal 57
Lesson 5 Static Performance 61
5.1 The Ideal Measuring System 61
5.2 Sensitivity 61
5.3 Accuracy and Precision 62
5.4 Possible and Probable Errors 64
5.5 Other Static-Performance Terms 64
Exercises 65
Reading Material: Noncontact Temperature Measurement 67
Lesson 6 Dynamic Performance 70
6.1 Zero-order Systems 71
6.2 First-order Systems 71
6.3 Second-order Systems 74
6.4 Step-response Specification 78
6.5 Frequency-response Specification 79
Exercises 81
Reading Material: Eddy Current 82
Lesson 7 Basic Knowledge of Transducers and Resistance Transducers 85
7.1 Transducer Elements 85
7.2 Transducer Sensitivity 85
7.3 Characteristics of an Ideal Transducer 86
7.4 Electrical Transducers 86
7.5 Resistance Transducers 87
Exercises 95
Reading Material: Laser 96
Lesson 8 Capacitance, Inductance Transducers and Some Others 98
8.1 Capacitive Transducers 98
8.2 Inductive Transducers 99
8.3 Linear Variable-differential Transformer(l.v.d.t.) 100
8.4 Piezo-electric Transducers 102
8.5 Electromagnetic Transducers 102
8.6 Thermoelectric Transducers 103
8.7 Photoelectric Cells (self-generating) 104
8.8 Mechanical Transducers and Sensing Elements 104
Exercises 108
Reading Material:Video Camera 109
Lesson 9 Analog Instruments 112
9.1 Meter Basics 112
9.2 Ammeters 114
9.3 Current Measuring Errors 114
9.4 DC Voltmeters 116
9.5 Voltage Measuring Errors 117
9.6 Ohmmeter and Resistance Measurements 119
9.7 Series Ohmmeter 119
9.8 Shunt Ohmmeter 121
9.9 Ohmmeter Accuracy 121
9.10 Volt-Ohm-Milliammeters 122
9.11 Electronic Voltmeters 124
9.12 Transistorized Electronic Voltmeters 124
9.13 FET Voltmeters 126
9.14 Operational Amplifier Electronic Voltmeters 127
9.15 Electronic Current Measurements 129
9.16 Resistance Measurements 130
Exercises 134
Reading Material: Rectifier Meters 135
Lesson 10 Digital Instruments 139
10.1 Digital Displays 139
10.2 Electronic Digital Counter 141
10.3 Input Signal Conditioning 141
10.4 Timerbase Oscillator 144
10.5 Timerbase Dividers 145
10.6 Counting Register 145
10.7 Digital Voltmeter 150
Exercises 153
Reading Material: Rise-time Measurements 154
Lesson 11 Computer-based Test Instruments 158
11.1 Internal Adapters 158
11.2 External PC Instruments 160
11.3 Analog-to-Digital Conversion 162
11.4 Computer Interface 165
11.5 General-purpose Interface BUS 166
Exercises 170
Reading Material: PC-based Workstation 171
Lesson 12 Industrial Bus 175
12.1 What is An Industrial Bus 175
12.2 Data Line Isolation Theory 176
Exercises 179
Reading Material: Serial Communications Systems 180
Lesson 13 Programmable Logic Controller 183
13.1 Basic PLC Operation 183
13.2 Hard-Wired Control 183
13.3 Advantages of PLCs 184
13.4 Siemens PLCs 185
13.5 CPU 185
13.6 Programming Devices 185
13.7 Software 185
13.8 Connector Cables PPI (Point-to-Point Interface) 185
Exercises 187
Reading Material: Terminology 188
Lesson 14 Remote Sensing 191
14.1 Sensors 191
14.2 Satellites 192
14.3 Outlook 192
Exercises 193
Reading Material: GPS 194
Lesson 15 Multi-sensor Data Fusion 197
15.1 Introduction 197
15.2 Technical Background 197
15.3 Method 198
15.4 Application 199
Exercises 205
Reading Material: Multi-sensor Image Fusion 206
Lesson 16 Process Control System 209
16.1 A Process Control System 209
16.2 Fundamentals of Process Control 211
Exercises 214
Reading Material: Final Control Elements and Controllers 215
参考译文 218
第1课 周期信号 218
第2课 非周期信号 222
第3课 数据采样信号 229
第4课 随机信号 233
第5课 静态性能 240
第6课 动态性能 243
第7课 传感器和电阻式传感器的基础知识 248
第8课 电容式、电感式传感器及其他 252
第9课 模拟仪器 256
第10课 数字仪器 265
第11课 基于计算机的测试仪器 270
第12课 工业总线 274
第13课 可编程逻辑控制器 275
第14课 遥感 277
第15课 多传感器数据融合 278
第16课 过程控制系统 281
参考文献 284