在某些应用场合,被测电压总是存在的,所以不能使用上述的方法。
In some applications, the voltage to be measured is always present and the preceding procedure cannot be used.
测量时请保持双手干燥,并站立在能够承受被测电压干燥、绝缘表面。
Always make measurements with dry hands while standing on a dry, insulated surface capable of withstanding the voltage being measured.
介绍了用于光测电压的晶体的选择与晶体加工设计中的光轴选定原则。
This paper introduces the selection of crystal used for voltage measurement with optic, and the principle for selecting the optic axle.
该电路通过对被测电压的判断和量程选择器的控制,实现了在高精度仪表中量程的自动选择。
The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
该继电器的设计思想是将过压继电器和欠压继电器集成到一起,并且实时显示所测电压值,能修改电压的上、下限。
The low-voltage relay and the excess voltage relay are integrated into one relay, which can display the real time of the voltage of the circuit and the limit of voltage can be modified.
测试电压的性质和数值的选择应由所测产品应用标准决定。
The choice of the nature and value of the test voltage is determined by standards which apply to the product tested.
所以将器件的加热效应降到最低的一种方法是使用尽可能低的电流,而在被测器件上仍然保持希望的电压。
Thus, one way to minimize the effects of device heating is to use the lowest current possible while still maintaining the desired voltage across the device being tested.
如果输入端的交流电压很大,其一部分信号被整流,于是在被测的直流信号中产生了误差。
If the AC voltage at the input is large, part of this signal is rectified, producing an error in the DC signal being measured.
偏移电压会导致施加到被测装置的激励发生误差,或者使伏特计的测量值发生误差。
The offset voltage will cause an error in the applied stimulus to a device under test or the value measured by the voltmeter.
而且,使用可调的电压源,还可以直接得到被测电阻对电压的依赖关系。
Also, with an adjustable voltage source, the voltage dependence of the resistance under test can be obtained directly.
在整个比对过程中,我们希望得到被测电池电压差的稳定性指标。方法是从几个冗余的读数计算出其标准偏差。
Throughout the entire intercomparison process, it's desirable to establish the stability of a measured cell difference by calculating a standard deviation across several redundant readings.
最后,由于减小了建立时间,所以采用加电压测电流的方法测量电阻一般比较快。
Finally, the source voltage, measure current method of resistance measurement is generally faster because of reduced settling times.
由于生物电信号非常微弱,容易受量测环境及电路本身等因素所影响,故要求该放大器具有低噪声和低失调电压的性能。
Due to its relative low amplitude properties, the bioelectricity signal is easy influenced by surrounding factor, the amplifier with low noise and voltage offset is required.
金属箔式应变片是应变敏感元件,通过它转换被测部位受力状态变化,电桥完成电阻到电压的比例变化。
Metal foil strain wafer is a live strain component, through which the variation of lading condition is shifted. The resistance module can vary from resistance to voltage in proportion.
在接地信号源RSE测量系统中引入接地环路会导致所测的信号源电压值产生误差。
The hazard of using an RSE system with a grounded signal source is the introduction of ground loops, a possible source of measurement error.
常用的补偿法测电阻是通过电压补偿法来实现的。
We often use compensatory way to measure resistance. It realizes by voltage compensation.
第五步:调末级功率管的静态电流,该电流值可以经由过程测功率管的发射极电阻的电压换算而得到。
Step five: tune the final stage power transistor quiescent current, the current value of the power tube by measuring the voltage of the emitter resistance Converter and get.
本实验主要采用静电吸风装置,在不同电压下测生条的质量,以确定静电压多大有利于成纱质量的提高。
By using electrostatic induced-draft device in the experiment, the qualities of silver were tested under different voltages in order to decide the best voltage for the improvement of cotton yarn.
比较好的经验法则是在最大被测电流下,使得该电阻器上的电压降为1v。
A good rule of thumb is to use a large enough resistor to cause a 1v drop at the maximum current to be measured.
讨论了变频电源输入电压的非正弦对测功电机的性能影响,提出改善不利影响的措施。
In this paper, the functional influence of input voltage non-sine of Varible-frequency voltage source on Electric Power Dynamometer motor discussed. and methods of improving them were also given.
图1 - 24所示的脉冲驱动模式使微欧姆计能够消除被测未知电阻上的寄生偏置电压。
The pulsed drive mode, shown in Figure 1-24, allows the micro - ohmmeter to cancel stray offset voltages in the unknown resistance being measured.
随后从被测的信号中减去测量出的偏置电压,以便最大限度地提高测量的准确度。
The resulting offset voltage is subsequently subtracted from the measured signal to maximize measurement accuracy.
初级侧感测方法可藉由辅助线圈來达到输出电压或电流的控制。
PSS technique can be used for the output voltage or current regulation by employing an auxiliary winding.
PLC采样发电机的剩磁电压,通过软件编程测取剩磁电压的周期,来获得原动机的点火转速信号。
PLC samples the remanence voltage of generator and measures its period with software to get the signal of fire speed.
当声波与声-电转换器的主要测象限垂直时,其声波在主要测象限内产生的声-电电压最强。
When sound wave is perpendicular to the main measure quadrant of sound-electronic transducer, the most strong sound-electronic voltage will be produced.
当声波与声-电转换器的主要测象限垂直时,其声波在主要测象限内产生的声-电电压最强。
When sound wave is perpendicular to the main measure quadrant of sound-electronic transducer, the most strong sound-electronic voltage will be produced.
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