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.
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。
The operation principle, design and development of two-frequency eddy current transducer, as well as its connection with EEC-35 full-digital multi-frequency eddy current instrument are described.
介绍双频涡流检测传感器(检测线圈)的工作原理、设计和制作，以及与EEC - 35型智能全数字式多频涡流检测仪的联机调试。
The operation principle, design and development of two-frequency eddy current transducer, as well as its connection with EEC-35 full-digital multi-frequency eddy current instrument are described.
介绍双频涡流检测传感器(检测线圈)的工作原理、设计和制作，以及与EEC - 35型智能全数字式多频涡流检测仪的联机调试。
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