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中文摘要：
建立脉搏图像传感器模型，依据模型对软性探测触头上的橡胶薄膜进行受力分析，了解薄膜变形情况，通过薄膜变形情况提取脉管运动的特征信息。橡胶薄膜的受力分析采用有限元法，运用有限元软件abaqus建立传感器有限元模型，应用abaqus／explicit对有限元模型进行动态分析，计算薄膜上点的竖向位移量，即可提取相应的脉搏波形。
英文摘要：
The pulse image sensor model is established. According to the model, the stress that comes from the rubber film is analyzed to understand the deformation of thin-film. The film locates on the soft detect contact header. The characteristics of vascular movement are extracted through the deformation information. The finite element method is adopted to the thin film stress analysis. By the finite element software abaqus, we set up the finite element model of the sensor. The abaqus/explicit is used to make the dynamic analysis and calculate the vertical displacement of points that locate on thin film. In this way, the corresponding pulse waveform is extracted.
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