THE EFFECT OF ELECTRIC LOAD ON THE CHARACTERISTICS FOR PIEZOELECTRIC VIBRATIONAL SYSTEM

被引：0
|
作者：
汪承灏
赵哲英
马玉龙
机构：
来源：
Chinese Journal of Acoustics | 1984年 / 03期
关键词：
THE EFFECT OF ELECTRIC LOAD ON THE CHARACTERISTICS FOR PIEZOELECTRIC VIBRATIONAL SYSTEM;
D O I：
10.15949/j.cnki.0217-9776.1984.03.007
中图分类号：
学科分类号：
摘要：
The effect of electric load on the piezoelectric vibrational system due to electroacoustic coupling isanalytically investigated.The analytical results show that:(1)when load impedance continuallychanges from ∞to+∞,the mechanical resonant frequency of the system would fill all frequencydomain from 0 to ∞;(2)the displacement and stress distributions also would change,even the dis-placement may be zero at both free ends(i.e.at points where stress is equal to zero). Finally,the experiments for longitudinal vibration of piezoelectric strip of lateral polarizationare given and compared with theoretical results.
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页码：250 / 260
页数：11
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