阻抗模

本文提出了一种实用测试方法，可在某一测试信号频率下同时测出湿敏元件简化等效电路中的电阻分量Rp和电容分量Cp，复阻抗模Zp可由计算得到。

This paper proposed a practical measuring method to determine simultaneously the resistance ( Rp ) and capacitance ( Cp ) of the cell at certain frequency of the testing signal . The modulus of the cell 's complex impedance ( | Zp | ) can be worked out spontaneously .

第一阶段是浸泡时间1h到240h，这一阶段观察到三个部分重叠的时间常数，此时SCC的阻抗模值Z仍然非常高，说明此阶段膜层可以对基体提供优异的腐蚀保护。

The first stage was the immersion time ranging from 1 h to 240 h in which three partially overlapped time constants could be observed and the impedance modulus | Z | of SCC remained at a very high value , suggesting the excellent protective properties provided for the substrate .

在复杂电力系统某种运行条件下，给出了对Ⅱ型等效阻抗模的修正条件及基于广义Tellegen定理的修正方法。

Under the condition of complex operation of power system , a modified condition for the ⅱ - Type equivalent impedance model and a modified method based on generalized Tellegen 's Theorem are given .

给出一种能反映这两个阻抗模值关系的节点电压稳定性指标。

A voltage stability index based on this relationship is given .

当浸泡时间足够长时，阻抗模值又持续升高。

When the immersing time is long enough , it continues to gradually increase .

狭窄振荡频率的变化，使各阶谐频输入阻抗模在一个心动周期内发生不同的变化。

The frequency of the stenosis amplitude oscillatory makes the input impedance periodically change in a cardiac cycle .

随腐蚀时间的延长，其感抗成分消失且阻抗模值降低。

With prolonging the immersion time , the inductive component is disappeared gradually , and the impendence module is decreased largely .

介绍几种静态电压稳定极限指标，如负荷裕度、雅可比矩阵奇异值、灵敏度指标、阻抗模等；

Several indicators of static voltage stability limitations are introduced , such as load margin , Jacobi singular value , sensitivity indicators , impedance mode , etc.

电网负荷节点临界阻抗模的性质及意义基于阻抗测量的共模扼流圈高频建模

The nature and connotation of the critical impedance module of the load bus in power network High Frequency Modeling for Common Mode Chokes Based on Impedance Measurement

证明了负荷节点获得极大功率的必要条件是：负荷静态等值阻抗模等于系统综合动态等值阻抗模。

A necessary condition of maximum power of load node was proved . The condition is that load static equivalent impedance modulus is equal to comprehensive dynamic equivalent impedance modulus .

其结果表明：当频率大于50kHz时，这四种组织的阻抗模之间差异均有高度显著性；

The results were as fol - lows : ( 1 ) When applied frequency is above 50 kHz , the differences of impedance modulus of 4 kinds of tissues were statistically significant .

本文分析了基于当地测量与基于全网潮流计算的戴维南等值参数追踪的特点后，采用戴维南阻抗模与负荷阻抗模比值作为电压失稳判据。

After analyzing the characteristics of Thevenin equivalent parameters ' tracing based on local measurement and power flow , The magnitude ratio of Thevenin equivalent impedance to load impedance is taken as voltage instability index .

通过研究建立了符合地铁实际使用情况的模型，并由实验方法得出结论：掺入粉煤灰可有效地提高混凝土的阻抗模和抑制杂散电流腐蚀。

A model conforming to practical conditions of subway is studied and established , and a conclusion is drawn from experiments that : through admixing fly ash into concrete will increase its impedance and restrain stray current corrosion effectively .

随浸泡时间的增加在同一频率下阻抗模值逐渐减小，阻抗谱两个时间常数的特征越来越明显，表明电解质逐渐渗透到达涂层/基底金属界面，在界面区形成了腐蚀反应。

The impedance modulus at the same frequency decreased and the characteristic of relaxation became more and more notable with the elapse of time , which indicated that corrosion reaction began in the interface when the electrolyte moved to the coating / metal interface .

指出在差分输出和单端输出情况中电流源输出阻抗对数模转换器积分非线性和无杂散动态范围的影响有巨大的区别，对其建立模型并给出解析的结果。

The effect of output impedance of current source on the integral nonlinearity and spurious free dynamic range of DAC has been modeled for both single-ended and differential output cases .

可控串补动模装置研制及阻抗特性研究偏振模色散模拟器的特性

Design and implement of dynamic simulation system of TCSC and study on resistance characteristics

通过测试EMI噪声源的最大和最小差模源阻抗和共模源阻抗，计算出差模和共模噪声源的大小，并以此为依据设计EMI滤波器。

The implementation of this method is to measure the maximum and minimum differential mode ( DM ) and common mode ( CM ) EMI noise impedance , and consider them in calculating the magnitude of DM and CM noise and designing the EMI filters .

随着温度的降低，电化学阻抗谱中容抗弧直径逐渐增大，阻抗模值增大。

With decreasing temperature , capacitance arc diameter increased , so the impedance modulus increased .

该方法通过对三相电压和三相电流的波形采样计算出三相阻抗，并利用对数极坐标的非线性分度和能够同时显示阻抗模和阻抗角的特点来进行图示显示。

This method can graph-display the measure result utilized the characteristic of the Log-Polar which is non-linear division and can display the impedance model and impedance angle at the same time .