ultrasonic wave transducer 超声波换能器
Ultrasonic sensor is an instrument which transform sound into electricity, therefore, it is also called ultrasonic wave transducer.
超声波传感器是实现声电转换的装置，所以，又称为超声波换能器。
The principle of producing and receiving ultrasonic wave with the piezoelectric ceramics transducer is introduced. Standing wave is strongest when voltage frequency is resonance.
介绍了压电陶瓷换能器产生和接收超声波的工作原理，当输入电压的频率为借振频率时，超声波在介质中产生的驻波最强。
The invention provides a transducer specialized for polyethylene pipeline weld ultrasonic wave detection, which has a simple detection method, high sensitivity and reliable detecting result.
本发明提供了一种聚乙烯管道焊缝超声波检测专用换能器。
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