1) impedance analysis
阻抗分析
1.
Impedance Analysis of Dye-Sensitized Solar Cells;
染料敏化太阳能电池阻抗分析
2.
Based on impedance analysis of equipment of wire-drawing experiment with ultrasonic vibration, vibration measurement and performance evaluation are realized with piezoelectric accelerometer, charge amplifier and dynamic signal analyzer.
在阻抗分析的基础上,应用压电加速度计、电荷放大器和动态信号分析仪对超声振动拉丝实验装置进行了振动测试和性能分析。
3.
Using the impedance analysis method, simplifying the model, the thesis established a two-dimensional finite element model with axial symmetry seems stable exchange electromagnetic field.
利用阻抗分析方法,经模型简化,建立了二维轴对称似稳交流电磁场参数化有限元模型,在此基础上进行了大量的仿真计算,得到了如下主要结论。
2) impedance method
阻抗分析法
1.
There are two common methods applied in the traction line fault location,the traveling wave method and the impedance method.
由于牵引网故障测距常用的两大算法阻抗分析法和行波分析法在不同的情况下各有优缺点,因此很难用一种算法取得理想的测距结果。
3) complex impedance
复阻抗分析
1.
By measuring the sensitivity and long-term stability and using complex impedance analysis, the effects of calcining temperature and time on sensing properties and microstructure of the thick films were researched.
采用平面丝网印刷工艺制备ＳｎＯ２厚膜气敏试样，分别在不同烧结温度和保温时间下于空气中烧成，测量试样的灵敏度和稳定性，并通过复阻抗分析方法，研究ＳｎＯ２气敏元件烧结工艺和电性能的关系，探讨烧结工艺对敏感材料微结构的影响。
2.
The effects of film thickness on the gas-sensing properties of SnO2 thick film sensors were explored by measuring the ethanol gas sensitivity, the variations in resistance with temperature and analyzing the complex impedance plots.
本文通过制备不同膜厚的纳米SnO2厚膜型气敏器件试样，测量试样对乙醇气体的灵敏度和试样的阻温曲线并进行复阻抗分析，研究了试样的膜厚对灵敏度的影响。
4) Impedance analyzer
阻抗分析仪
1.
The complex permeability of NiZn ferrite magnetic core at high frequency was measured by shorting coaxial cavity of the impedance analyzer, and the standard uncertainty components resulting from measuring repeability and equipment precision, the combined standard uncertainty and the expanded uncertainty are analyzed.
应用阻抗分析仪及短路同轴腔测量了镍锌铁氧体材料高频下的复数磁导率,具体介绍了该测试系统测量重复性及仪器精度导致的标准不确定度以及合成不确定度、扩展不确定度等评定过程。
2.
Using Agilent 4294A precision impedance analyzer,the C-V curve of metal/dielectric-thin-film/semiconductor structure is measured.
利用阻抗分析仪测量了金属-介质薄膜-半导体结构的C-V特性曲线。
5) complex impedance analysis
复阻抗分析
1.
The electric properties,conductance mechanism and equivalent circuit are studied by complex impedance analysis.
采用共沉淀法制备出K2O-SnO2-L iZnVO4系湿敏陶瓷材料,考察了液相掺杂K+对材料湿敏特性的影响,通过复阻抗分析方法,研究了材料的电性能,并进一步分析了试样在不同湿度中的导电机理和等效电路。
2.
By measuring the sensitivity and using complex impedance analysis,the effects of calcining temperature and time on sensing properties and microstructure of the samples were researched.
采用共沉淀法制备出SnO2-LiZnVO4系湿敏试样,分别在不同烧结温度和保温时间下于空气中烧成,测量试样的湿敏特性,并通过复阻抗分析方法,研究了SnO2系湿敏元件烧结工艺与电性能的关系,探讨烧结工艺对敏感材料微结构的影响。
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