A numerical filter based on an adaptive wiener filter

  • Authors:

  • Khuanjai Nachaiyaphum;Sarawut Sujitjorn;Supakorn Rakmai

  • Affiliations:

  • School of Electrical Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand;School of Electrical Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand;Department of Technical and Engineering, National Synchrotron Research Center and School of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, Thailand

  • Venue:
  • SIP'08 Proceedings of the 7th WSEAS International Conference on Signal Processing
  • Year:
  • 2008

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Abstract

This article proposes a numerical filter having an adaptive Wiener filter (AWF) as its main component. The desired signal fed to the AWF can be selectively generated by using a Butterworth filter, a Savitzky-Golay filter, and a downloaded waveform, respectively. User can easily choose filter's parameters to suit their applications via a user-interface module. The proposed filer is simple, rapidly computable, and efficient to suppress noise. An application to the Siam Photon Source (Synchrotron Radiation Unit on Thailand) is also described.