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Continuous Wavelet Analysis: A New Method for Studying Nonstationary Oscillations in the Cardiac Rhythm

机译:连续小波分析:一种研究心律非平稳振荡的新方法

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摘要

Continuous wavelet analysis can be used to quantitatively describe local changes in cardiac rhythm oscillations. The following new indices of the wave structure of the cardiac rhythm were suggested: the rate of changes in the frequency of the oscillatory component within a given time interval, the lengths of the fading periods for specific frequency oscillations detected on the cardiointervalogram, and the changes in the instantaneous frequency-amplitude ratios during the observation period. These indices allow a deeper insight into sympathetic and parasympathetic oscillators that affect the cardiac rhythm.
机译:连续小波分析可用于定量描述心律振荡的局部变化。建议了以下有关心律波动结构的新指标:给定时间间隔内振荡成分频率的变化率,在心动间隔图上检测到的特定频率振荡的衰落周期的长度在观测期间的瞬时频率-振幅比。这些指数使您可以更深入地了解影响心律的交感神经和副交感神经振荡器。

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