tailieunhanh - Advances in Measurement Systems Part 5

Tham khảo tài liệu 'advances in measurement systems part 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 156 Advances in Measurement Systems b Fig. - Illustrations of typical measurement plans on flat strip sheet products a Fixed Measuring Head b Retractable C-Frame c Profiling C-Frame d Dual Profiling Retractable C-Frames. d 10. Conclusion This chapter has explored the underlying physics and methods associated with radiation based measurements of material thickness. The intent of this chapter has been to provide a tutorial foundation of these principles to support subsequent discussions Zipf 2010 . The primary components of this form of measurement system have been presented and discussed. Natural and artificial radiation sources generators have been examined and considered for application. The nature of the material s interaction with radiation is analyzed and considered in the presence of possibly complex material chemistries have been identified and accommodated in the methods for rendering a measurement. Detection system sensors and instrumentation have been presented and evaluated with respect to their employment in these measurement systems. The typical signal processing flow has been reviewed along with the manner in which the measurement is resolved and distributed to external systems. A sensitivity analysis has been provided to identify key parameters and relationships that influence the quality accuracy and precision of the measurement signal. Classical system architectures and implementations have been presented and discussed. 157 Radiation Transmission-based Thickness Measurement Systems - Theory and Applications to Flat Rolled Strip Products 11. References Bose N. 1985 . Digital Filters - Theory and Applications Elsevier Scientific Publishing Co. ISBN 0-444-00980-9 New York NY Cooper W. 1978 . Electronic Instrumentation and Measurement Techniques - 2nd Edition Prentice-Hall Inc. ISBN 0-13-251710-8 Englewood Cliffs NJ Graydon A. 1950 . Dissociation Energies and Spectra of Diatomic Molecules Dover Publishing Inc. New York NY Halliday D. 1955 . .

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