PLI Cancellation in ECG Signal Based on Adaptive Filter by Using Wiener-Hopf Equation for Providing Initial Condition

Figure 8

Comparing simulation results of using the Matlab program for SNR = −9.47 dB. (a) Contaminated ECG signal and recovered ECG signals. (b) Adapted weights of the cosine and sine signals. (c) Squared error signals.

(a) Recovered ECG signals

(b) Adapted weights of the adaptive filter

(c) Squared error signals