基于MEMS技术制备的压电超声换能器(Piezoelectric Micromachined Ultrasonic Transducer, pMUT),相比于传统的超声换能器,具有易阵列化,集成度高,抗干扰能力强等优点,并且在实现高精度以及与IC工艺...
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在分析对比了两种换能器的优劣后，选择了夹心式压电超声换能器，并进行结构设计。
The sandwich piezoelectric transducer is selected after the capability of the two types transducer is analyzed, and then the structure of transducer is designed.
换能器由阵列微压电结构组成，这种压电材料在合适频率下的振动能够将电信号转换成超声波。
Transducers are made from arrays of tiny piezoelectric structures that convert electrical signals into ultrasound waves by vibrating at an appropriate frequency.
本文对双向电脉冲激励压电陶瓷超声换能器进行实验研究。
Bidirectional electric pulse excitation of piezoelectric transducers for pulsed ultrasonic wave is investigated in this paper.
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