Non-contact BCG signal processing system and method based on optical fiber sensing
A non-contact, signal processing technology, applied in the field of signal processing, which can solve the problems of evaluation, inability to be used as cardiac contractility, unstable waveform amplitude, etc.
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[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0028] Such as figure 1 A non-contact BCG signal processing system based on optical fiber sensing is shown, which includes a physiological signal processing module 1, a signal-to-noise ratio improvement module 2, a power spectrum frequency acquisition module 3, an energy envelope peak position acquisition module 4, and a key Waveform position and amplitude acquisition module 5, signal normalization processing module 6 and scatter diagram construction module 7;
[0029] The physiological signal processing module 1 is used to perform signal separation processing on the collected original physiological signal by using matrix iterative decomposition method, and remove noise caused by aliasing breathing, body movement and body trembling in the signal, so as to obtain a heart beat shockcardiogram Signal, see Chinese patent, 202110031183.3 Physiologic...
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