1) Impedance Mismatch
阻抗失谐
2) harmonic impedance
谐波阻抗
1.
Assessing harmonic impedance by synchronously delaminated distortion waves based on wavelet;
基于小波的畸变波形同步分层谐波阻抗估计
2.
Assessing Harmonic Impedance by Synchronously Layered Distortion Waves;
基于畸变波形同步分层估计谐波阻抗
3.
The impact of harmonic impedance on the relationship between harmonic voltage and harmonic current emission limits was discussed based on a comparison between IEC 61000-3-6 and GB/T 14549-93.
在比较分析IEC 61000-3-6与GB/T 14549-93的基础上,讨论了谐波阻抗对谐波电压和电流限值之间关系的影响。
3) resonant impedance
谐振阻抗
1.
To mitigate PCB(printed circuit board)power/ground impedance,which is a great negative influential factor to signal and power integrity of high-speed multilayer PCB,the relation functions among PCB power/ground resonant impedance,resonant frequency,resonant quality factor and the electromagnetic parameters of power/ground planes structure were deducted based on cavity resonant model.
为降低多层高速PCB(Printed Circuit Board)电源/地谐振阻抗,根据平行平面腔体谐振模型理论推导出PCB电源/地谐振阻抗、谐振频率、谐振品质因数与构成PCB板的导体材料和绝缘材料的电磁参数的之间的函数关系式,并根据此关系式得出了从PCB材料选取角度减小电源/地谐振阻抗的两种途径,即采用高磁导率、低电导率的导体材料代替普通导体材料;采用高介电常数和损耗正切的平面间绝缘体材料。
4) tuned impedance
调谐阻抗
5) Loss impedance
损失阻抗
1.
Loss impedance measurements are required to design new cavity for the NSRL upgrade project.
电子储存环中真空部件的损失阻抗是表征该元件性能的重要参数,该参数的测量对于真空部件的设计、性能评估都有很大的意义。
6) impedance mismatch
阻抗失配
1.
Analysis of EMI active filter and impedance mismatch problem;
EMI有源滤波器与阻抗失配问题的分析
2.
Influence of impedance mismatch of channel equipment on the ranging system
信道设备阻抗失配对扩频测距的影响
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