Its interior structure and vapor condensation characteristic are introduced, and the physical model is constructed. The vapor condensation process around water condenser is calculated in theory.

介绍了捕水器的内部结构和捕水特性，建立了物理模型，对水蒸气在捕水器管路凝结问题进行了理论计算。

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The impulse response method is adopted to identify the modal parameters, and the physical parameters are estimated from the characteristic equation of the mathematical model built.

本文采用了单位脉冲响应函数法识别模态参数，由所建数学模型的特征方程识别结合部的物理参数。

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This paper analyses the physical characteristic of MOV and gives out its mathematical model by making it equivalent to inductance, resistance and diode three parts.

对金属氧化物变阻器的物理特性进行了分析，并完成了MOV元件的数学建模，将其等效为电感、电阻、二极管三部分。

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