Laguna P, Thakor N V, Caminal P, Jańe R
Institut de Cibernética, Universitat Politécnica de Catalunya-CSIC, Barcelona, Spain.
IEEE Trans Biomed Eng. 1990 Apr;37(4):420-5. doi: 10.1109/10.52350.
Digital low-pass filtering and differentiation (LPD) are useful in real-time processing of many biomedical signals. A general method is presented for determining the coefficients of a differentiator that maximizes the signal-to-noise ratio or minimizes the error between actual and ideal LPD filters, when signal and noise spectra are known. Several examples of digital filters suitable for QRS complex and P-T wave processing in ECG are presented.
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