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- Therefore, it is concluded that crack damage of steel beams can be identified by monitoring the variations of piezoelectric impedance measurements. 由此可见，通过测量钢梁损伤前后压电陶瓷片的电阻抗变化能够识别梁中的裂纹损伤。
- In this thesis, the application of piezoelectric impedance technology in detecting two different types of structural damages has been studied, including bolted joint looseness and beam crack. 本文研究了压电阻抗技术在螺栓松动检测和结构裂纹检测两方面的应用，在实验中成功检测出这两种结构损伤，而且可以定性判断损伤是否扩展。
- piezoelectric impedance response 压电阻抗响应
- piezoelectric impedance technique 压电阻抗技术
- They use a bridge to measure the impedance of the transducer. 他们用电桥来测量传感器的阻抗。
- piezoelectric impedance 压电阻抗
- We are one of exp &imp company of casing in china. 我们是中国一家包装进出口公司。
- Imp:Increases your Fire damage done by 15%. 小鬼：增加你的火焰伤害15%25。
- Shenzhen geao imp and exp co., Ltd. 深圳市歌奥进出口有限公司。
- Impact in variation of line impedance. 系统阻抗变化之影响。
- SHANDONG OCEAN CHEMICAL IMP AND EXP CO., LTD. 山东海化进出口有限公司。
- The superelectrons present an inductive impedance. 超导电子表现出一种感抗。
- SHANGHAI FOODSTUFFS IMP AND EXP CO. 译为上海食品进出口公司;
- SHANGHAI YAN DA IMP AND EXP CO., LTD. 上海燕大进出口有限公司。
- Design of broadband piezoelectric ceramic receiver. 宽带化压电陶瓷受话器的设计。
- Electrical impedance or admittance. 导抗电阻抗或电导纳
- GUANG YUAN FOREIGN TRADE IMP %26EXP CORP. 广元外贸进出口公司。
- China National Metals and Minenals Imp. 中国五金矿产进出口总公司。
- China Oriental Scientific Instruments Imp. 中国东方科学仪器进出口公司。
- The simple impedance measurement system is consisted of piezoelectric element, an impedance analyzer, Al beam and computer. 测试系统由阻抗分析仪、计算机、压电陶瓷片、铝梁组成。
