Stability and Phase Response Analysis of Optimum Reduced-Order IIR Filter Designs for ECG R-Peak Detection

Figure 3

Magnitude response comparisons of stages of proposed reduced-order IIR filter. (a) Magnitude response of band-pass filter. (b) Magnitude response of IIR filter. (c) Magnitude response of reduced-order optimum IIR filter.

(a)

(b)

(c)