1) oscillation impedance
振荡阻抗
2) damped oscillation
阻尼振荡
1.
By analyzing the pulse transformer and ideal drive electric current wave, we try to improve the rate of changing-over, discuss the damped oscillation, point out existing circuit design error, and working a new circuit design which can reduce the common circuit circulation and switch loss.
通过对脉冲变压器及理想激励电流波形的分析,如何提高转换速率,阻尼振荡予以讨论,指出目前存在的设计误区,做出减少共态导通与开关损耗的新设计。
2.
The mathematical essence of damped oscillation is researched with the qualitative theory of differential equation from the odd characters of the plane autonomous system.
用微分方程定性理论,从平面自治系统奇点的性态角度出发分析了阻尼振荡的数学本质。
3.
The damped oscillation wave is expressed to harmonics in the Fourier series,the loss resistance of inductor and capacitor are measured when the first harmonic and the harmonics which replacing the damped oscillation wave are applied to the RLC series circuit.
分析了RLC串联电路欠阻尼振荡过程衰减系数α的理论值与实验测量值偏离的原因。
3) magnetoresistance oscillations
磁阻振荡
1.
Microwave-induced magnetoresistance oscillations and zero-resistance states in high-mobility two-dimensional electron systems;
高迁移率二维电子系统中微波辐射引起的磁阻振荡和零电阻
4) negative resistance oscillation
负阻振荡
1.
The article has explained secondary electron radiation of the tetrode, analyzed the mechanism of how negative resistance oscillation happens, and it explained the harm and prevention methods of the negative resistance oscillation combining with the example that DF-100A PSM short-wave radio transmitter occurred the negative resistance oscillation fault
文章对四极管的二次电子放射进行了阐释,分析了产生负阻振荡的机理,并结合DF-100APSM短波广播发射机发生的负阻振荡故障实例,阐述了负阻振荡的危害及防止负阻振荡的方法。
5) oscillatory magneto-resistance
振荡磁阻
6) weakly damped oscillation
弱阻尼振荡
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