【摘要】 电磁铁是电磁超声传感器的重要组成部分,它与钢管构成的磁场是电磁超声传感器产生超声波的基础。本文建立磁感应强度与分子振动幅值的关系函数,用均匀实验设计对电磁超声传感器进行优化设计,实现了电磁超声传感器的小型化。实验研究证明,优化设计方法是正确的。更多还原

【Abstract】 Electro-magnet is the important part of electromagnetic acoustic transducer;the magnetic field between the electro-magnet and steel pipe is the basis of generating ultrasonic wave in electromagnetic acoustic transducer.The math function of the relationship between the ultrasonic wave amplitude and the magnetic induction intensity is established.The electromagnetic acoustic transducer is optimized using uniform experimental design,and the miniaturization of the transducer is realized.The experimental result proves that the optimized design method is correct.更多还原