摘要
本文分析了压电换能器谐振网络的幅频特性,介绍了利用该特性进行频率跟踪的实现方法,并对眼科白内障超声乳化仪中的超声手柄进行了频率跟踪实验。实验研究表明利用谐振网络的幅频特性,对超声振动系统进行频率跟踪是一种简单、有效、可行的方案。
In this paper, the amplitude-frequency characteristics of piezoelectric transducer resonant network are analyzed, and implementation by use of the characteristics is described, and frequency tracking experiments for the ultrasound handle of the ophthalmic phaco-emulsifier of cataract are carried out. Experimental studies have shown that by using amplitude-frequency characteristics of the resonant network, and the frequency tracking method of ultrasonic vibration system is a simple, effective and feasible solution.
出处
《应用声学》
CSCD
北大核心
2011年第6期464-468,共5页
Journal of Applied Acoustics
基金
天津市技术创新资金项目(OPZXCXSF03100)
关键词
压电换能器
谐振网络
幅频特性
频率跟踪
Piezoelectric transducer, Resonant network, Amplitude-frequency characteristics, Frequency tracking
