Blood pressure assessment method based on nonlinear analysis of pulse wave velocity
A non-linear analysis and conduction velocity technology, applied in vascular assessment, cardiac catheterization, etc., can solve the problems of different object input, blood pressure assessment limitations, and low fitting accuracy, achieving wide applicability, improving accuracy, and reducing experimental costs low effect
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Embodiment 1
[0041] refer to figure 1 , this blood pressure evaluation method based on nonlinear analysis of pulse wave velocity, the operation steps are as follows:
[0042] (1) Design the human PWV data acquisition experiment: The human PWV data is obtained by collecting the two pulse wave signals of the same finger through a specific device.
[0043] (2) Preprocess human PWV data: process the PWV data sequence to remove data that is too small or too large due to errors or improper operations.
[0044] (3) Establish a nonlinear model for evaluating blood pressure: the nonlinear model for evaluating blood pressure is obtained by analyzing and comparing the linear and nonlinear models, and the parameters in the model are initialized at the same time.
[0045](4) Calibration optimization of nonlinear model: Two parameters related to the specific characteristics of different objects are introduced into the nonlinear model as calibration quantities to highlight the characteristics of differe...
Embodiment 2
[0047] The blood pressure evaluation method based on the nonlinear analysis of pulse wave velocity in this embodiment is performed according to the following steps:
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