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논문검색

The Design of Anti-aliasing Analog Filter for Data Acquisition in the Surface Measurement

원문정보

Xu Jingbo, Xu Xiaohong, Yang Pengyu, Lin Haijun, Guo Xin

보안공학연구지원센터(IJSIP) International Journal of Signal Processing, Image Processing and Pattern Recognition Vol.7 No.5 2014.10 pp.169-176
피인용수 : 0건 (자료제공 : 네이버학술정보)

초록

영어

In the surface measurement system, the data acquisition is key part and the anti-aliasing analog filter is necessary. This paper deals with the design of the anti-aliasing analog filter. Based on the principle of anti-aliasing filtering, the parameters of filter are computed, the filter circuit is designed, and the frequency characteristic is drawn. Combined with digital filter, the filtering can maintain the low frequency components very well and suppress effectively the high frequency signals in the original surface profile, which reduces the distortion caused by noise and makes the filtering effect better. This method has been applied in the surface measurement system and the actually measured data verified the performance of the filter.

목차

Abstract
 1. Introduction
 2. Principle of Anti-aliasing Filtering
 3. The Design of Anti-aliasing Analog Filter in Surface Measurement System
 4. The Data Processing Through Digital Filter
 5. Conclusion
 References

키워드

저자정보

  • Xu Jingbo College of Measure-control Technology & Communication Engineering, Harbin University of Science and Technology, Harbin, China, The higher educational key laboratory for Measuring & Control Technology and Instrumentations of Heilongjiang Province，Harbin, China
  • Xu Xiaohong Department of Textile Engineering, Shazhou Professional Institute of Technology, Zhangjiagang, China
  • Yang Pengyu Harbin Railway Company, Harbin Railway Administration, Harbin China
  • Lin Haijun College of Measure-control Technology & Communication Engineering, Harbin University of Science and Technology, Harbin, China, The higher educational key laboratory for Measuring & Control Technology and Instrumentations of Heilongjiang Province，Harbin, China
  • Guo Xin College of Measure-control Technology & Communication Engineering, Harbin University of Science and Technology, Harbin, China, The higher educational key laboratory for Measuring & Control Technology and Instrumentations of Heilongjiang Province，Harbin, China

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