Computational and Mathematical Methods in Medicine / 2012 / Article / Tab 1

Research Article

An Efficient Time-Varying Filter for Detrending and Bandwidth Limiting the Heart Rate Variability Tachogram without Resampling: MATLAB Open-Source Code and Internet Web-Based Implementation

Table 1

approximation of −3 dB point [Hz].

True –3 dB cut-off frequencyApproximate frequency

0.050.049
0.10.102
0.20.208
0.30.34