1 Introduction to measurement technology 1.1 History of measurement technology 1.2 Basic concepts of measurement technology 1.3 Applications of measurement technology 1.3.1 Industrial automation 1.3.2 Equipment monitoring 1.3.3 Quality performance inspection 1.3.4 Building monitoring and security system 1.3.5 Home and office automation 1.3.6 Other field applications 1.4 New trends in measurement technology 1.4.1 New sensors 1.4.2 Intelligent sensors 1.4.3 Virtual instrument 1.5 Manufacturers 2 General description of signal 2.1 Introduction 2.2 Classification of signal 2.3 Signal synthesis 2.4 Fourier decomposition of a sawtooth wave 2.5 Spectrum of periodic signal 2.5.1 Trigonometric Fourier series representation 2.5.2 Exponential Fourier series representation 2.6 Characteristics of periodic signal 2.7 Aperiodic transient signal 2.7.1 Definition of the Fourier transform 2.7.2 Properties of Fourier transform 2.7.3 Spectrums of typical aperiodic transient signals 2.8 Random signals 3 Characteristics of measuring systems 3.1 Introduction 3.1.1 Classification of measuring instruments 3.1.2 Description of the characteristics 3.1.3 Linear system and its main properties 3.2 Static characteristics 3.2.1 Accuracy 3.2.2 Precision 3.2.3 Range or span 3.2.4 Linearity 3.2.5 Sensitivity 3.2.6 Resolution 3.2.7 Bias 3.2.8 Dead zone 3.2.9 Threshold 3.2.10 Hysteresis 3.2.11 Drift 3.2.12 Repeatability 3.2.13 Stability 3.2.14 Tolerance 3.2.15 Error
3.3 Dynamic characteristics 3.3.1 Types of dynamic inputs 3.3.2 Physical meaning of convolution 3.3.3 Mathematical description 3.3.4 Series connection and parallel connection 3.3.5 Mathematical models of the measuring systems 3.4 Step responses of measuring system 3.4.1 The response of the first order system 3.4.2 The response of the second order system 3.4.3 Transient response specifications 3.5 Nondistortion measurement 3.6 Identification of dynamic characteristics 3.7 Loading effect 3.8 Anti interference technology 4 Signal conditioning, processing and recording 4.1 Introduction 4.2 Bridge circuit 4.2.1 Classification 4.2.2 Stress and strain 4.2.3 DC (Wheatstone) bridge circuit 4.2.4 AC bridge circuit 4.3 Modulation and demodulation 4.3.1 Definitions 4.3.2 Amplitude modulation process 4.3.3 Frequency modulation 4.3.4 Typical applications 4.4 Filter 4.4.1 Classification 4.4.2 Real filter 4.4.3 Low pass filter 4.4.4 High pass filter 4.4.5 Band pass filter 4.4.6 Filter bank 4.4.7 Typical applications 4.5 Sampling and aliasing 4.5.1 Sampling 4.5.2 Nyquist Shannon sampling theorem 4.5.3 Aliasing 4.6 Displaying and recording signal 4.6.1 Analog and digital display 4.6.2 Pen strip chart recorder 4.6.3 Circular chart recorder 4.6.4 Paperless chart recorder 5 Correlation measurement 5.1 Introduction 5.2 Correlation analysis 5.2.1 Correlation coefficient 5.2.2 Autocorrelation function 5.2.3 Cross correlation function 5.3 Spectral analysis
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