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Noise cancellation: Window-Sinc filter

  1. Perform noise cancellation using a SINGLE band-reject, H and obtain the original message.
    1. Design the filter in time domain.
    2. Use the following step to implement the filter:
      1. Build TWO 21-point low-pass Window-Sinc filter. The cut-off frequency of both filter are 2k and 300
      2. Convert one of the low-pass filter to a high-pass filter using spectral inversion.
      3. Form a single-stage band-reject filter using the low-pass and high-pass filter.


Scilab 04-02-21, 2:58 p.m. N_R2103

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