| 一种圆盘压电滤波器的研究 |
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| 引用本文： | 荣畋,王宏伟,于肇贤.一种圆盘压电滤波器的研究[J].压电与声光,2022,44(1):10-14. |
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| 作者姓名： | 荣畋 王宏伟 于肇贤 |
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| 作者单位： | 1.北京信息科技大学理学院 |
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| 基金项目： | 国家自然科学基金资助项目(61771060)；北京市自然科学基金资助项目(KZ202111232050) |
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| 摘 要： | 该文研制了一种圆盘状压电滤波器,对该滤波器的物理模型进行了理论分析和ANSYS有限元仿真分析,并通过实验确定了其输入、输出频率之间的关系.在自主设计的实验平台上进行测试,测试结果表明,该圆盘压电滤波器可根据不同频率需求滤出不同频率的信号,并无其他谐波的产生,显示了制作的圆盘压电滤波器具有良好的滤波特性.
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| 关 键 词： | 圆盘 压电滤波器 谐波 频率 |
Research on a Disc Piezoelectric Filter |
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| RONG Tian,WANG Hongwei,YU Zhaoxian.Research on a Disc Piezoelectric Filter[J].Piezoelectrics & Acoustooptics,2022,44(1):10-14. |
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| Authors: | RONG Tian WANG Hongwei YU Zhaoxian |
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| Affiliation: | School of Applied Sciences,Beijing Information Science & Technology University,Beijing 100192 ,China |
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| Abstract: | A disc-shaped piezoelectric filter is developed in this work. The physical model of the filter is analyzed theoretically and the ANSYS finite element simulation is carried out. The relationship between the input and output frequency is determined through experiment. The disc-shaped piezoelectric filter is tested on a self-designed experimental platform. The results show that the disc-piezoelectric filter can filter out signals with different frequencies according to different frequency requirements, and do not generate other harmonics. It shows that the fabricated disc-piezoelectric filter has good filtering characteristics. |
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