“感抗”这个术语只适用于交流电路，其测量单位为欧姆。
The term IMPEDANCE is applicable only to AC circuits. Its unit of measurement is the ohm.
但是此类有益的交流更多的是出于偶然，而非处于策划——因为大部分水都未曾经过测量，更不用说标价，因此水匮乏无从体现。
But such beneficial exchanges occur more by chance than design. Because most water use is not measured, let alone priced, trade rarely reflects water scarcities.
对电容式加速度计，为测量其电容的变化，通常需要带直流偏置的交流电压信号来驱动。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
该衰减电路是一种降低静电计交流响应的低通滤波器，使我们可以准确地进行直流弱电流的测量。
A damping circuit is a type of low pass filter that reduces the electrometer's ac response so the low DC current can be measured accurately.
变电站综合自动化交流采样测量装置可采用虚负荷法和实负荷法检测。
Imaginary load method and real load method can be used to test AC sampling measurement device of integrated substation automation.
如果屏蔽和测量仪器之间存在一个交流电势差，则可能有电容性电流通过测量电路，增大干扰。
If there is an ac potential difference between the shield and the measuring instrument, there may be capacitive currents flowing through the measuring circuit that will add interference.
对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
在测量弱电流时，静电屏蔽(如第2.6.2节所讨论)是降低交流干扰引起的噪声的最常用的方法。
When measuring low current, electrostatic shielding (as discussed in Section 2.6.2) is the most common way to reduce noise due to AC interference.
本文给出了交流电力测功器的系统结构图、系统工作原理、控制电路组成及功率测量方法。
In this paper the dynamometer's structure block diagram, system principle, power measurement and the control strategy have been given.
通过极化曲线和交流阻抗谱的测量对电池的性能进行了分析。
The cell performance was analyzed based on the measurement of the polarisation curves and ac impedance spectra.
g在汽轮机不同转速时，测量发电机转子绕阻的绝缘电阻及交流阻抗，功率消耗。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
提出一种利用交流约瑟夫森效应直接测量自由电子激光频率的方法。
A method for direct measuring the frequency of a free electron laser using AC Josephson effect is presented.
为了抑制噪声的影响，应用交流技术开发了有更高精度的锁相微分电导测量系统。
In order to depress the noise, a lock-in differential conductance measurement system is designed.
介绍双交流法霍耳效应测量的原理，并说明制作的仪器的结构和样品架制作技术。
The principles of an apparatus for Hall effect measurement by using double AC method are presented.
为此重点介绍了对交流采样测量装置的校验方法：现场实负荷校验及虚负荷校验； 并对校验方式的适用情况进行了分析。
This paper introduces the checking methods of the measuring devices adopting AC sampling mode, and analyses the appropriate cases these methods are used in.
MSP430F449单片机内部资源丰富，但是他本身自带的12位A/DC参考电压中的负极最低不能小于0V电压，对于交流信号的测量带来了困难。
MSP430F449 has abundant internal resource, but itself 12 b A/DC negative pole reference voltage can′t be lower than 0V. It has brought the difficulty in measuring alternating current signal.
利用交流电桥和约利弹簧秤组成实验装置，测量了金属的线胀系数和液体的密度。
Coefficient of linear expansion of metal and density of liquid are measured by the experiment device which is composed of AC bridge and Joly spring balance.
分析了这三种改进算法的误差和性能，供交流周期信号测量选择。
The error caused by each algorithm was analysed, and some Suggestions for ac periodic signals measurement were provided.
电表或能测量交流或直流电流在精确度2%之内的分流器。
Ammeter or current shunt Capable of measuring either alternating or direct current within an accuracy of 2%.
介绍信号平方后积分平均技术实现交流信号真有效值测量原理；
The paper introduces the measurement of AC signal the true effective value based on the average integral of the signal square.
本文提出了旨在消除同步采样条件限制的交流信号有功功率测量的异步采样方法。
This paper demonstrates an asynchronous sampling scheme, which can eliminate the restriction of the synchronous sampling requirement, for the measurement of the active power of the ac signal.
对于这些应用来说，采用一种可变的衰减电路足以降低交流干扰，以便进行有意义的测量工作。
For these applications, a variable damping control may reduce the AC pickup enough to make meaningful measurements.
能测量含有直流分量的交流电压信号。
It can also be used to measure the AC voltage signal with superimposed DC component.
介绍了一种高压输电线接头处交流电阻在线测量的原理、方法及软硬件的实现。
A new method of on line measuring ac resistance at the joint of high voltage transmission line and its practice of soft ware and hardware are described in this paper.
文中叙述了直流—直流变换器或直流—交流逆变器输入电流中纹波电流的二种测量方法。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
本文描述了测量超导体的交流损耗的新方法——双积分方法的原理、装置和三个样品的测量结果。
This paper describes the new method for a. c loss measurement in superconductor-The principle and device of double integration method and the result of measuring three samples.
在测量电感电容值时，传统的测量大都采用交流电桥法和谐振法。
Measuring the value of the inductance capacitance in traditional measuring mostly utilizes AC bridge and resonance.
交流采样测量装置作为电网电测量参数的在线测量仪器，具有较好的准确度和稳定性。
Ac sampling measurement unit has better accuracy and stability as the online measuring instrument of the electrical parameters of power network.
交流采样测量装置作为电网电测量参数的在线测量仪器，具有较好的准确度和稳定性。
Ac sampling measurement unit has better accuracy and stability as the online measuring instrument of the electrical parameters of power network.
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