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为了探索振动压路机在压实过程中的动力学特性，本文运用机械阻抗法对振动压路机－路基土壤系统的数学模型进行了分析．采用导纳伯德图可方便地识别系统的质量、刚度、阻尼、共振频率等参数，可进一步完善系统的数学模型，为压实度连续检测仪器的开发提供理论基础．
In order to explore the dynamic characteristics of vibratory roller during compaction process, the mathematical model of vibratory roller-soil system is analyzed by mechanical impedance method. Adopting admittance Bode plot can easily identify the parameters such as mass, stiffness, damping and resonance frequency of the system, which can further improve the mathematical model of the system and provide a theoretical basis for the development of continuous measuring instrument of compaction degree.