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The wavelet transform technique, a time-frequency method with logarithmic frequency resolution, was used to analyze oscillations in human peripheral blood flow measured by laser Doppler flowmetry. The oscillations extended over a wide frequency state and their periods varied in time. Within the frequency range studied, 0.0095-1.6 Hz, five characteristic(More)
The same periodic components are demonstrated for different functions, and at different sites, of the human cardiovascular system. The wavelet transform is used to show that their frequencies and amplitudes are modulated, providing experimental evidence that the dynamics of blood distribution is governed by five almost periodic and mutually coupled(More)
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