Quality factor measurement based on direct energy method for piezoelectric resonator

被引：0
|
作者：
Li, Jian [1 ]
Wu, Xiaosheng [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Micro Nano Elect, Natl Key Lab Sci & Technol Micro Nano Fabricat, Shanghai, Peoples R China
来源：
ELECTRONICS LETTERS | 2023年 / 59卷 / 01期
关键词：
D O I：
10.1049/ell2.12673
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This letter presents a new real-time and direct measurement method based on energy for piezoelectric resonator. An analytical model considering the stored energy and dissipation energy for quality factor measurement is built up. Using this novel direct energy method, the quality factor for piezoelectric resonator can be measured in real time. The finite element method simulations are introduced to verify the analytical model. Experiments results agree well with the theoretical model and show that quality factor can be measured by direct energy method. This work provides a new method for quality factor measurement of piezoelectric resonator.
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页数：3
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