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  Indian J Med Microbiol
 

Figure 4: Average signal-to-noise ratio measurements for four subjects as a function of electrode size. Measurements using a rounded rectangular electrode (area = 35.5 cm2) have also been included. The averages presented are of the SNR for each detected QRS complex, with the associated standard deviation shown by the error bars. Each datapoint was obtained from 2 min of recorded data. Subject 1: [INSIDE:4], Subject 2: [INSIDE:5], Subject 3: [INSIDE:6], Subject 4:[INSIDE:7]

Figure 4: Average signal-to-noise ratio measurements for four subjects as a function of electrode size. Measurements using a rounded rectangular electrode (area = 35.5 cm<sup>2</sup>) have also been included. The averages presented are of the SNR for each detected QRS complex, with the associated standard deviation shown by the error bars. Each datapoint was obtained from 2 min of recorded data. Subject 1: [INSIDE:4], Subject 2: [INSIDE:5], Subject 3: [INSIDE:6], Subject 4:[INSIDE:7]