1. 1 Measurement technology: background and development DIstortionless or accurate measurement the system's output will truly"duplicate"or reflect the input How to realize an accurate or a distortionless measurement becomes the focus of study in our text
❑Distortionless or accurate measurement: the system’s output will truly “duplicate” or reflect the input. ❑How to realize an accurate or a distortionless measurement becomes the focus of study in our text. 1.1 Measurement technology: background and development
1. 1 Measurement technology: background and development purpose of the course gRasp the basic theories and methods of measurement technology, the methods and means for measuring and analyzing parameters of a mechanical system OLay a foundation for further studying and solving engineering problems of measurement technology
❖Purpose of the course: ❑Grasp the basic theories and methods of measurement technology, the methods and means for measuring and analyzing parameters of a mechanical system. ❑Lay a foundation for further studying and solving engineering problems of measurement technology. 1.1 Measurement technology: background and development
1. 1 Measurement technology: background and development Major contents of the course: 1. Basic signal theories and the theories and methods for signal processing signal representations in time and frequency domains signal spectrum and the methods for spectrum analysIs signal convolution and correlation basic theories and methods for signal processing
❖ Major contents of the course: 1. Basic signal theories and the theories and methods for signal processing: ▪ signal representations in time and frequency domains; ▪ signal spectrum and the methods for spectrum analysis; ▪ signal convolution and correlation; ▪ basic theories and methods for signal processing. 1.1 Measurement technology: background and development
1. 1 Measurement technology: background and development 2. Parameters of measuring systems and their evaluations representations in time and frequency domains for the transfer characteristics of measuring systems impulse response and frequency response functions descriptions of the dynamic performances of first- order and second-order systems measurement of the parameters, as well as the conditions for an accurate measurement
2. Parameters of measuring systems and their evaluations: ▪ representations in time and frequency domains for the transfer characteristics of measuring systems; ▪ impulse response and frequency response functions; ▪ descriptions of the dynamic performances of firstorder and second-order systems; ▪ measurement of the parameters, as well as the conditions for an accurate measurement. 1.1 Measurement technology: background and development
1. 1 Measurement technology: background and development 3. Theories of transducers operating principles for various commonly-used transducers configurations and characteristic performances typical applications 4. Principles and methods of signal conditioning bridges signal modulation and demodulation signal filtering; Ad and dia conversions typical applications 5. Operating principles and configurations of displaying and recording instruments, their dynamic performances and applications
3. Theories of transducers: ▪ operating principles for various commonly-used transducers; ▪ configurations and characteristic performances; ▪ typical applications. 4. Principles and methods of signal conditioning: ▪ bridges; ▪ signal modulation and demodulation; ▪ signal filtering; ▪ A/D and D/A conversions; ▪ typical applications. 5. Operating principles and configurations of displaying and recording instruments, their dynamic performances and applications. 1.1 Measurement technology: background and development