The corresponding equivalent electric circuits of piezoelectric and magnetostrictive ultrasonic transducers are obtained by selecting different mechanic electric simulation systems The features of their input impedanc...The corresponding equivalent electric circuits of piezoelectric and magnetostrictive ultrasonic transducers are obtained by selecting different mechanic electric simulation systems The features of their input impedance are analyzed The characteristic parameters of the transducers, such as vibration frequency, mechanic quality factor and band width of working frequency, are determined from the conductance circle or impedance circle of the transducers’ input展开更多
文摘The corresponding equivalent electric circuits of piezoelectric and magnetostrictive ultrasonic transducers are obtained by selecting different mechanic electric simulation systems The features of their input impedance are analyzed The characteristic parameters of the transducers, such as vibration frequency, mechanic quality factor and band width of working frequency, are determined from the conductance circle or impedance circle of the transducers’ input