• Low frequency Butterworth and optimal Wiener ECG filters
  Regular ad hoc filters don’t guarantee optimal signal filtering as there is no any criteria that evaluates filter characteristics. The main idea of optimal filtering is to give bigger weight coefficients to signal spectra parts where signal noise has less power and true signal spectral components has bigger power.
  Regular ad hoc filters don’t guarantee optimal signal filtering as there is no any criteria that evaluates filter characteristics. Usually filter parameters are calculated empirically and filtering is done by best results.In order to avoid such shortage there are optimal filters used where parameters are optimized by some criteria. The main idea of optimal filtering [...]
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