测量高电阻时两个最常见的误差来源是静电干扰和泄漏电流。
The two most common error sources when measuring high resistance are electrostatic interference and leakage current.
切换和测量具有高内阻的电压源会受各种误差的影响,包括偏移电流、寄生漏泄通路,以及静电干扰。
Switching and measuring voltage sources with high internal impedance are subject to a number of errors, including offset currents, stray leakage paths, and electrostatic interference.
有了这种屏蔽,由静电电压源和耦合电容产生的噪声电流就经过屏蔽流到地,而不再流过信号线。
With this shield in place, the noise current generated by the electrostatic voltage source and the coupling capacitance flows through the shield to ground rather than through the signal conductors.
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.
欧姆计使用内部的电流源和静电计电压表来进行测量。
The ohmmeter USES an internal current source and electrometer voltmeter to make the measurement.
电阻器(RL)是电流限制电阻器,用来保护开关和静电计不受大电流的损害。
The resistors (RL) are current limiting resistors used to protect the switches and electrometer from high current.
若要测量开关卡的偏移电流,请将卡的输出连接到一台皮安计或静电计。
To measure the offset of a switch card, connect the output of the card to a pico ammeter or electrometer.
为了进行测量,在预定的时间(通常为60秒钟)内,给样品施加恒定的电压。然后,用皮安计或静电计测量产生的电流。
To make the measurement, a constant voltage is applied for a predefined period, usually 60 seconds, and the resulting current is measured with a picoammeter or electrometer.
将一个静电计连接到开关卡输出并测量电流。
Connect an electrometer to the switch card output and measure the cur rent.
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.
描述了改善静电感应晶体管(SIT)大电流特性的新方法。
Methods for improving the high current performance of static induction transistor (SIT) are presented.
采用恒流法,可以使用静电计电压表和电流源或者只使用静电计欧姆计来测量高电阻。
High resistance measurements using the constant-current method may be made using either an electrometer voltmeter and current source or just an electrometer ohmmeter.
测得的电流通常非常小,因此往往需要使用皮安计或静电计进行测量。
The measured current is usually quite small, so a picoammeter or electrometer is often required to make the measurement.
一般说来,“静电”和“电流的电”是无差别的。
In general, there is no distinction between "static electricity" and "current electricity".
注意,这种测量方法是两线电阻测量,而使用静电计电压表和外部电流源则可以进行四线测量。
Notice that this is a two-wire resistance measurement compared to using the electrometer voltmeter and external current source, which can make a four-wire measurement.
其作用机理可概括为“绝热效应”、“电磁辐射场作用”、“静电场作用”和电流产生的磁场效应。
The effect mechanism can be summarized as thermal insulation effects, electromagnetic field effects, electrostatic effects and magnetic effects generated by current.
对纵环电流天线,可能存在静电模转换激发和直接激发这两种离子伯恩斯·坦波激发方式共存的情况。
We find that for our toroidal current antenna, there may exist two ways of excitation, i. e. direct excitation and excitation through the electrostatic mode conversion process.
在用稳恒电流场模拟静电场的实验中,人们通常忽略了电极与导电纸之间的接触压降。
In the experiment of simulating electrostatic field in the field of constant electric current contact voltage between electrode and conduction paper is often neglected.
与静电计相比,皮安表具有类似的低输入端压降,相同或稍快的测量速率,较低的电流灵敏度和低廉的价格。
When compared with an electrometer, a picoammeter has a similar low voltage burden, similar or faster speed, less sensitivity, and a lower price.
此电路连接恰当,该电流不流过静电计的测量电路,所以不产生任何测量误差。
This circuit is connected properly, so this current doesn't flow through the electrometer measurement circuitry and, therefore, doesn't cause any measurement errors.
静电流体喷涂需要预处理设备在喷涂之前清洗、保护并彻底清洗部件。
High capacity electrostatic liquid spray systems require pretreatment equipment to clean, protect and thoroughly rinse the parts prior to paint application.
图2 - 39所示为静电计和由电压源及电阻器串联组成的电流源相连接。
Figure 2-39 shows an electrometer connected to a current source that consists of a voltage source in series with a resistor.
然而,如果静电计的HI端连到电源的低阻端,则该交流电流(i)就流过静电计(IM),如图2 -41所示。
However, when the hi terminal of the electrometer is connected to the low impedance power supply, this AC current (I) flows through the electrometer (im), as illustrated in Figure 2-41.
用混沌动力学方法对多道扫描静电探针的离子饱和电流信号进行分析,研究了等离子体尾迹流场。
A plasma wake flow field is studied by analyzing the saturated ionic current of multiple scanning probes with the method of chaos dynamics.
静电计欧姆计的电流激励(IR)流过未知电阻(RS),然后测量dut上的电压(VM)。
Here, an electrometer ohmmeter is forcing a current (IR) through the unknown resistance (RS) and then measuring the voltage (VM) across the DUT.
概括了接地开关开合感应电流的运行工况及同杆双回线路电磁感应与静电感应的产生机理;
The questions of earthing switch switching induced current are discussed in this paper, and the operating mode is summarized.
利用KEITHLEY 6517静电计为测量标准,采用标准表法,实现对直流小电流标准源准确、可靠的检定。
Taking the KEITHLEY 6517 electrostatic meter as measurement standard, using the standard meter method, the accurate and reliable verification to the DC low current reference source could be realized.
利用电晕线支撑部分和屏蔽管的静电屏蔽效应,可以改善电除尘器板电流密度分布,减弱反电晕,并可得到高电压低电流的安全运行状态。
By using this kind of shielding effects, the electric current density distribution can be improved, the back-corona can be reduced and the high voltage and low current state can be obtained.
利用电晕线支撑部分和屏蔽管的静电屏蔽效应,可以改善电除尘器板电流密度分布,减弱反电晕,并可得到高电压低电流的安全运行状态。
By using this kind of shielding effects, the electric current density distribution can be improved, the back-corona can be reduced and the high voltage and low current state can be obtained.
应用推荐