Subband modeling of the human cardiovascular system: new insights into cardiovascular regulation.
basic_science · Level V
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Abstract
We present a new approach to cardiovascular analysis based on a well-known signal processing technique, namely, the frequency subband decomposition. The subbands are chosen in accordance with physiological standards: (1) 0-0.04 Hz, (2) 0.04-0.15 Hz, (3) 0.15-0.4 Hz. It is shown that such a pre-processing drastically improves the accuracy of the analysis and introduces a new direction in the understanding of the relationships between cardiovascular signals.
Medical subject headings
- Cardiovascular Physiological Phenomena
- Models, Cardiovascular