Desplazamientos Submilimétricos de la Pared Torácica para Medir Pulso y Respiración
Extracción de vibraciones torácicas diminutas de 0.1 a 0.5 mm del pulso cardíaco, separándolas de la respiración amplia de 5 a 12 mm.
Variational Mode Decomposition (VMD)
VMD mathematically separates the narrow-band respiratory harmonics from high-frequency cardiac beat signatures without phase distortion.
- Measures respiration rate within ±1 breath per minute.
- Heart rate tracking accuracy within ±2 beats per minute.
- Operates through winter jackets, heavy blankets, and seat cushions.
- Immunity to in-cabin optical shadows, fog, and total darkness.
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