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本文给出了用四个传感器结构参数表征的一般化压电加速度计模型。并由定义确定了这四个传感器结构参数。在建立了传感器二端口网络模型后,对二端口网络进行参数变换,得到了表征压电加速度计特性的两类函数。这两类函数给出了有关压电加速度计特性的全部信息。最后,应用所得到的结论推导国内外有关互易法校准压电加速度计绝对灵敏度表达式,结论完全一致。
This paper presents a generalized piezoelectric accelerometer model characterized by four sensor structural parameters. Defined by the definition of the four sensor structure parameters. After establishing a two-port sensor network model, the parameters of the two-port network are transformed and two types of functions are obtained to characterize the characteristics of piezoelectric accelerometer. These two types of functions give all the information about the characteristics of piezoelectric accelerometers. Finally, the conclusions obtained by the application of the derivation of the absolute sensitivity of reciprocal-law-calibrated piezoelectric accelerometer expression at home and abroad, the conclusion is completely consistent.