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Amplitude Modulation Effects in Cardiac Signals
Amplitude Modulation Effects Cardiac Signals
2010/11/16
A subject's heart beat can be nearly invisible in a spectrum, when that spectrum is generated using conventional methods of Fourier analysis. The phenomenon has been observed in records of both elect...
Analysis of cardiac signals using spatial filling index and time-frequency domain
cardiac signals spatial filling index time-frequency domain
2010/3/1
This paper presents the spatial filling index and time-frequency analysis of heart rate variability signal for disease identification. Renyi's entropy is evaluated for the signal in the Wigner-Ville a...