Generation and detection of guided waves using PZT wafer transducers

Nienwenhui J.H.; Neumann J.J. Jr.; Greve D.W.; Oppenheim I.J.

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Generation and detection of guided waves using PZT wafer transducers

机译：使用PZT晶片传感器生成和检测导波

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We report here the use of finite element simulation and experiments to further explore the operation of the wafer transducer. We have separately modeled the emission and detection processes. In particular, we have calculated the wave velocities and the received voltage signals due to A0 and S0 modes at an output transducer as a function of pulse center frequency. These calculations include the effects of finite pulse width, pulse dispersion, and the detailed interaction between the piezoelectric element and the transmitting medium. We show that the received signals for A0 and S0 modes have maxima near the frequencies predicted from the previously published point-force model.

机译：我们在这里报告了有限元模拟和实验的使用，以进一步探索晶片换能器的操作。我们分别对排放和检测过程进行了建模。特别是，我们已计算出输出换能器处的A0和S0模式引起的波速和接收电压信号随脉冲中心频率的变化。这些计算包括有限脉冲宽度，脉冲色散以及压电元件与传输介质之间详细相互作用的影响。我们显示，A0和S0模式的接收信号在根据先前发布的点力模型预测的频率附近具有最大值。

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来源
《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2005年第11期|p.2103-2111|共9页
作者
Nienwenhui J.H.; Neumann J.J. Jr.; Greve D.W.; Oppenheim I.J.;
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正文语种 eng
中图分类声学工程;计量学;
关键词
finite element analysis; lead compounds; piezoelectric transducers; surface acoustic wave transducers; ultrasonic transducers; PZT; PZT wafer transducers; PbZrO3TiO3; finite element simulation; finite pulse width; guided waves detection; piezoelectric element; pulse;

机译：有限元分析铅化合物压电换能器表面声波换能器超声换能器PZT PZT晶片换能器PbZrO3TiO3有限元模拟有限脉冲宽度导波检测压电元件脉冲;

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1. Development of Circuits for Excitation and Reception in Ultrasonic Transducers for Generation of Guided Waves in Hollow Cylinders for Fouling Detection [J] . da Silva J. J., Wanzeller M. G., de Almeida Farias P., IEEE Transactions on Instrumentation and Measurement . 2008,第6期

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2. Finite element simulation of the generation and detection by air-coupled transducers of guided waves in viscoelastic and anisotropic materials [J] . Hosten B, Biateau C The Journal of the Acoustical Society of America . 2008,第4期

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3. Electromagnetic Acoustic Transducer for Generation and Detection of Guided Waves [J] . SongSong LI, Toshimi OKADA, Xiaoming CHEN Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers . 2006,第5B期

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4. Development of Circuits for Excitation and Reception in Ultrasonic Transducers for Generation of Guided Waves in Hollow Cylinders for Fouling Detection [C] . Jo da Silva, J., Wanzeller, Instrumentation and Measurement Technology Conference, 2005. IMTC 2005. Proceedings of the IEEE . 2005

机译：超声换能器励磁和接收电路的开发，用于在中空圆柱体中产生导波以检测结垢
5. Generation and Reception of Ultrasonic Guided waves in Metallic Plates Induced by Surface Bonded PZT Wafers. [D] . Lin, Yuling. 2016

机译：表面键合PZT晶片在金属板中产生和接收超声波导波。
6. Damage Detection Based on Power Dissipation Measured with PZT Sensors through the Combination of Electro-Mechanical Impedances and Guided Waves [O] . Enrique Sevillano, Rui Sun, Ricardo Perera 2016

机译：机电阻抗和导波相结合的基于功率损耗的PZT传感器损伤检测
7. Damage Detection Based on Power Dissipation Measured with PZT Sensors through the Combination of Electro-Mechanical Impedances and Guided Waves [O] . Enrique Sevillano, Rui Sun, Ricardo Perera 2016

机译：基于pZT传感器通过机电阻抗和导波组合测量功耗的损伤检测
8. AN ELECTROMAGNETIC TRANSDUCER FOR GENERATION AND DETECTION OF BOTH LONGITUDINAL AND TRANSVERSE ULTRASONIC WAVES [R] . Katsuhiro Kawashima 1975

机译：一种用于生成和检测两个纵向和横向超声波的电磁换能器

Generation and detection of guided waves using PZT wafer transducers

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