通过改变夹心式换能器压电晶片的堆放位置及组数，使超声清洗换能器具有两个明显的谐振峰。
By changing the stack position and quantity of the piezoelectricity chip of piezoelectric ceramic sandwich transducer we can make the washing transducer bear two obvious resonance peaks.
在分析对比了两种换能器的优劣后，选择了夹心式压电超声换能器，并进行结构设计。
The sandwich piezoelectric transducer is selected after the capability of the two types transducer is analyzed, and then the structure of transducer is designed.
本文主要通过拓宽换能器频带宽度的机理出发，研制打孔型宽频带夹心式压电换能器，并对其拓宽频带宽度的效果进行分析。
Developing the wide-band transducer with holes based on the analysis of mechanism about the way of broaden the bandwidth, and analyzes the impact of broadening the bandwidth.
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