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      • Faculty of Engineering
      • Department of Electrical and Electronics Engineering
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      Cost-efficient approximation of linear systems with repeated and multi-channel filtering configurations

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      Author
      Kutay, Mehmet Alper
      Erden, M. F.
      Özaktaş, Haldun M.
      Arıkan, Orhan
      Candan, Ç.
      Güleryüz, Ö.
      Date
      1998-05
      Source Title
      ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
      Print ISSN
      0736-7791
      Publisher
      IEEE
      Pages
      3433 - 3436
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      It is possible to obtain either exact realizations or useful approximations of linear systems or matrix-vector products arising in many different applications, by synthesizing them in the form of repeated or multi-channel filtering operations in fractional Fourier domains, resulting in much more efficient implementations with acceptable decreases in accuracy. By varying the number and configuration of filter blocks, which may take the form of arbitrary flow graphs, it is possible to trade off between accuracy and efficiency in the desired manner. The proposed scheme constitutes a systematic way of exploiting the information inherent in the regularity or structure of a given linear system or matrix, even when that structure is not readily apparent.
      Keywords
      Approximation theory
      Communication channels (information theory)
      Fourier transforms
      Graph theory
      Linear systems
      Matrix algebra
      Signal processing
      Fractional Fourier domains
      Multichannel filtering
      Optical matrix vector multiplier architectures
      Signal filtering and prediction
      Linear systems
      Cost-efficient
      Efficient implementation
      Fractional Fourier domains
      Matrix-vector products
      Multi-channel filtering
      Trade off
      Permalink
      http://hdl.handle.net/11693/27669
      Published Version (Please cite this version)
      https://doi.org/10.1109/ICASSP.1998.679603
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      • Department of Electrical and Electronics Engineering 3597
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