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Volume 26 Issue 6
Jun.  2004
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Zhang Xian-chao, XU Yun, Chen Guo-liang. Practical Implementation of the Arithmetic Fourier Transform[J]. Journal of Electronics & Information Technology, 2004, 26(6): 935-939.
Citation: Zhang Xian-chao, XU Yun, Chen Guo-liang. Practical Implementation of the Arithmetic Fourier Transform[J]. Journal of Electronics & Information Technology, 2004, 26(6): 935-939.

Practical Implementation of the Arithmetic Fourier Transform

  • Received Date: 2003-01-07
  • Rev Recd Date: 2003-05-27
  • Publish Date: 2004-06-19
  • The Arithmetic Fourier Transform (AFT) is widely used because of its simple computational structure and little multiplications. But over-sampling is often needed for the implementation of AFT to meet the accuracy requirements in real applications and this is one of the main drawbacks of AFT and limits its application. In this paper, with the fact that linear interpolation implementation can gain very high accuracy, a new implementation is presented based on linear interpolation and over-sampling. This implementation can get accuracy close to that by over-sampling, thus the over-sampling problem of AFT is overcome.
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