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Frequency locking in the internal resonance of two electrostatically coupled micro-resonators with frequency ratio 1∶3

机译:频率锁定两个静电耦合微谐振器的内部共振,频率比1:3

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摘要

The internal resonance of electrostatically coupled cubic nonlinear low-frequency micro-resonator and linear high-frequency micro-resonator is investigated experimentally. A phenomenon of frequency locking is observed at 1∶3 frequency ratio of two resonators for the first time when the coupling strength exceeds a certain value. Then the theoretical study is made to explain the frequency locking phenomenon. Finally, this phenomenon is used to enhance the short-time frequency stability of low-frequency resonator nearly 7-fold.
机译:实验研究了静电耦合立方非线性低频微谐振器和线性高频微谐振器的内部谐振。当耦合强度超过一定值时,在两个谐振器的1:3频率比中观察到频率锁定的现象。然后,理论研究是解释频率锁定现象。最后,这种现象用于增强低频谐振器的短时频率稳定性近7倍。

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  • 来源
    《Mechanical systems and signal processing》 |2021年第1期|106981.1-106981.14|共14页
  • 作者单位

    Department of Mechanics Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province Zhejiang University Hangzhou 310027 People's Republic of China;

    Department of Mechanics Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province Zhejiang University Hangzhou 310027 People's Republic of China;

    Department of Mechanics Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province Zhejiang University Hangzhou 310027 People's Republic of China;

    Department of Mechanics Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province Zhejiang University Hangzhou 310027 People's Republic of China;

    State Key Laboratory for Manufacturing Systems Engineering Xi'an Jiaotong University Xi'an 710049 People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Nonlinear dynamics; Internal resonance; Frequency locking; MEMS; Frequency stability;

    机译:非线性动力学;内部共振;频率锁定;MEMS;频率稳定性;

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