EVALUATION OF LOW-FREQUENCY NOISE RELATIONSHIP IN MULTICHANNEL REGISTRATION OF ECG SIGNAL
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A method for processing multichannel recording of ECG to isolate low-frequency interference in various leads is presented. The method is based on polynomial Newton filtering of high frequencies. The efficiency of the proposed method is analyzed, and a comparative analysis of its effectiveness relative to the known approaches is carried out based on quantitative indicators. Using the developed method, low-frequency interference was isolated from a noisy multi-channel recording. Based on the selected samples, a high correlation between low-frequency interference in various and adjacent leads of the electrocardiogram is established.
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