本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
另外还设计了一种非对称的多频纵振动换能器，其共振频率方程为：这种类型的多频纵振动换能器可以应用到超声清洗中。
Finally, an asymmetrical multi-frequency transducer is designed, the resonant frequency of transducer is obtained, that is, This type of transducer can be used in ultrasonic cleaning and other fields.
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.
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