Correlation algorithm and sampling techniques for estimating the signal-to-noise ratio of the electrocardiogram
C Charayaphan, Allan E. Marble, Sherwin T. Nugent, D.N. Swingler · Journal of Biomedical Engineering · 1992
An algorithm, based on correlation techniques, is proposed for estimating the signal-to-noise ratio of very low frequency signals contaminated by white and flicker noise. Sampling techniques based on converting a single continuous signal into two time series that satisfy the requirements of cross-correlation functions are proposed. The algorithm has been tested on simulated data and the electrocardiogram transduced from ten patients.