Ziyang GE, Yan WANG, Hui ZHAO, Ping JIN, Baocun FAN. Characteristics of Flexible Fibre Bragg Grating Pulse Wave Sensor[J]. Acta Photonica Sinica, 2021, 50(12): 1206002
- Acta Photonica Sinica
- Vol. 50, Issue 12, 1206002 (2021)
Fig. 1. Periods and characteristic points of a cycle pulse wave
Fig. 2. Pulse sensor model
Fig. 3. Sensor model load and fixed constraints
Fig. 4. Pulse pressure/time change graph
Fig. 5. Meshing and domain point probe
Fig. 6. FBG strain magnitude for different package substrate thicknesses
Fig. 7. Model for encapsulating fibres in different substrate positions
Fig. 8. Fiber strain magnitude at different package substrate locations
Fig. 9. Measured human pulse and laboratory equipment
Fig. 10. Measured human pulse and laboratory equipment by MKB0803
Fig. 11. Wavelet reconstruction and details of pulse wave signals
Fig. 12. Identification of characteristic points of different pulse wave cycles
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Table 1. Silica gel and optical fiber material parameters
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Table 2. Fitting the values of each parameter of the standard pulse wave
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Table 3. Signal-to-noise ratio and mean square error of three wavelet bases with different decomposition levels
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Table 4. Cycle number and pulse identification results
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