1) piezoelectric impedance response
压电阻抗响应
2) piezoelectric impedance
压电阻抗
1.
Method of structure health diagnosis using piezoelectric impedance technology;
压电阻抗技术用于结构健康诊断的一种方法
2.
Research on Piezoelectric Impedance Technology for Structural Health Monitoring;
应用于结构健康监测的压电阻抗技术研究
3.
The computational model of piezoelectric impedance for a laminated plate pasted piezoelectric wafer is established.
针对压电层合板智能结构,建立了压电阻抗的计算模型,从理论上分析了压电阻抗与结构机械阻抗的相关性,并对冲击损伤试件的压电阻抗进行了实验测试。
3) impedance voltage
阻抗电压
1.
Study on transformer capacity testing equipment based on impedance voltage method;
基于阻抗电压法的变压器容量测试装置的研制
2.
The selection of impedance voltage for traction transformer of high-speed passenger line is stated from the aspects of transformer standard,relationship between impedance voltage and cost,relationship between impedance voltage and voltage loss,voltage loss at different impedance,short-circuit current at different impedance,as well as the potential arising of the rail.
从变压器的产品标准、阻抗电压与成本的关系、阻抗电压与电压损失的关系、不同阻抗时变压器电压损失、不同阻抗时的短路电流及其引起的钢轨电位等多个方面论述了高速客运专线牵引变压器阻抗电压的参数选择问题,指出高速客运专线的牵引变压器接线采用单相变压器接线型式宜选为12。
3.
Reasonable selection methods of impedance voltage of 3×75 MVA transformer were discussed.
探讨了3×75MVA变压器阻抗电压的合理选择及其对降低工程造价和运行能耗的作用,对厂矿企业大型变配电工程设计有一定参考价值。
4) piezoresponse
压电响应
1.
Domains in-plane and out-plane were detected using piezoresponse in longitudinal and transverse directions, respectively.
应用扫描力显微镜(SFM)的压电响应模式观测未经抛光处理的PZT陶瓷片的电畴结构,用纵向压电响应信号和侧向压电响应信号获得PZT陶瓷材料三维电畴结构。
5) voltage response
电压响应
1.
Based on nodal admittance matrix of fault transmission line in complex frequency domain, this paper applies another numerical inverse Laplace transform (NILT) to analyze the voltage response of ends of transmission line.
基于故障传输线分布参数复频域节点导纳方程及数值拉普拉斯反变换方法,对故障传输线首末端节点电压响应进行分析。
6) piezoelectric response
压电响应
1.
Ultrahigh piezoelectric response along some special cleavage plane in BaTiO_3 single-crystals;
钛酸钡单晶沿垂直解理面方向的超高压电响应的研究
2.
According to the rules of variation of piezoelectric parameters,and noting the fact that the most sensitive part of a piezoelectric sensor is its electrode surface,the complicated mechanism of the piezoelectric responses was elucidated.
由血凝各阶段的压电参数变化规律,和血凝过程的生化变化,并注意到压电传感最敏感部分为其电极表面,阐明了血凝三个阶段的复杂压电响应机理,提出了相应的压电传感方程,及从血凝压电特征曲线上提取血液流变学信息的方法。
补充资料:星接阻抗和三角接阻抗的变换
星接阻抗和三角接阻抗的变换
transformation between starc-onnected and delta-connected impedances
x ing]一e乙日kongl介e sonJ一00}Iez日伙ongde匕一。一〕huon星接阻抗和三角接阻抗的变换(t ransfor-mation betweenstar一eonneeted and delta-eonneeted imPedanees)接成星形的三个阻抗和接成三角形的三个阻抗互相替代的等效变换。它们之间的关系可用一组变换公式表示。按这组公式,用星接阻抗替换三角接阻抗或者反过来,不会影响稳态下电路其他部分的正弦电压和电流,常用于对称三相电路的分析和计算。 图1为三个阻抗21、Z:、23接成星形(又称丫形)。图2为三个阻抗Z小22。、Zal接成三角形(又称△形)。它们之间的变换公式如下:人23土图1星接阻抗图2三角接阻抗(1)将星形连接变换成三角形连接212一Z:+22+2 122及3一22+za十警(1)、|冬|矛231一23+21+2321(2)将三角形连接变换成星形连接z、-二一典乒兴-) 艺‘2士乙“3十乙31…_2 oqZI,}Z。一下万~一二-二二-汁 乙‘2士乙23十乙3‘1_Z。IZoq}艺q一二二一~二,二二--,-二二-~J 乙12十乙23十艺32夕(2) 当三个星接阻抗相等,即21一Z:一23一z丫、三个三角接阻抗相等即212一223一231一Z△时,变换公式是 Z二一32丫,Z丫一Z△/3
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条