电压表

[diàn yā biǎo]

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Definition:
AllAll,voltmetervoltmeter,VmVm,Voltage MeterVoltage Meter,VMVM,DVMDVM
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
To obtain a KVL equation, we must tally voltage drops in a loop of the circuit, as though we were measuring with a real voltmeter.
要获得一个KVL方程式，我们必须计算该回路中某一环路中的电压降，好像我们是在用一台真正的电压表进行测量一样。
yào huò dé yī gè KVL fāng chéng shì , wǒ men bì xū jì suàn gāi huí lù zhōng mǒu yī huán lù zhōng de diàn yā jiàng , hǎo xiàng wǒ men shì zài yòng yī tái zhēn zhèng de diàn yā biǎo jìn xíng cè liáng yí yàng 。
wenwen.soso.com
2.
The frequency at which the voltmeter's response to an AC signal drops to 70% is often denoted as the "3dB point" (f3dB).
电压表对交流信号的响应降低到70%时的频率常常称为“3dB点”（f3dB）。
diàn yā biǎo duì jiāo liú xìn hào de xiǎng yìng jiàng dī dào bǎi fēn zhī qī shí shí de pín lǜ cháng cháng chēng wéi " sān dB diǎn " ( f sān dB ) 。
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3.
If the current cannot be reduced, use a narrow current pulse and a fast responding voltmeter.
如果不能降低电流的话，使用窄的电流脉冲和快速响应的电压表。
rú guǒ bù néng jiàng dī diàn liú de huà , shǐ yòng zhǎi de diàn liú mài chōng hé kuài sù xiǎng yìng de diàn yā biǎo 。
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4.
Ideally, when a voltmeter is connected to a relatively low impedance circuit in which no voltages are present, it should read zero.
在理想的情况下，当把电压表连接到一个没有电压的、阻抗比较低的电路时，电压表的读数应当为零。
zài lǐ xiǎng de qíng kuàng xià , dāng bǎ diàn yā biǎo lián jiē dào yī gè méi yǒu diàn yā de 、 zǔ kàng bǐ jiào dī de diàn lù shí , diàn yā biǎo de dú shù yīng dāng wéi líng 。
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5.
The panel is placed in a solar simulator. Negative and positive contacts of the solar panel are connected to a voltmeter.
把板放置在一个太阳模拟器中。无论是与太阳能电池板正面或者反面接触，都连接到电压表。
bǎ bǎn fàng zhì zài yī gè tài yáng mó nǐ qì zhōng 。 wú lùn shì yǔ tài yáng néng diàn chí bǎn zhèng miàn huò zhě fǎn miàn jiē chù , dōu lián jiē dào diàn yā biǎo 。
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6.
The paper mainly discusses the design principle and chief techniques of a high accuracy programmable digital voltmeter.
本文论述了高精度程控数字电压表的设计原理及实现的方法。
běn wén lùn shù le gāo jīng dù chéng kòng shù zì diàn yā biǎo de shè jì yuán lǐ jí shí xiàn de fāng fǎ 。
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7.
This results in a number of thermoelectric EMF sources, all connected in series with the voltage source and the meter.
这样就会产生若干热电动势源，所有这些热电动势源都与电压源和电压表相串联。
zhè yàng jiù huì chǎn shēng ruò gān rè diàn dòng shì yuán , suǒ yǒu zhè xiē rè diàn dòng shì yuán dōu yǔ diàn yā yuán hé diàn yā biǎo xiāng chuàn lián 。
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8.
Another consideration when measuring voltages from high resistance sources is the input bias current of the voltmeter.
在测量高电阻源时要考虑的另一个问题是电压表的输入偏置电流。
zài cè liáng gāo diàn zǔ yuán shí yào kǎo lǜ de lìng yī gè wèn tí shì diàn yā biǎo de shū rù piān zhì diàn liú 。
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9.
The DC static high voltage meter is the main instrument for measuring the terminal voltage of the insulators.
直流高压静电电压表是测量绝缘电阻表端电压的主要设备。
zhí liú gāo yā jìng diàn diàn yā biǎo shì cè liáng jué yuán diàn zǔ biǎo duān diàn yā de zhǔ yào shè bèi 。
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10.
The circuit of the electrometer when used as a voltmeter is actually as shown in Figure 2-6.
当静电计作为电压表使用时，其电路实际上如图2-6所示。
dāng jìng diàn jì zuò wéi diàn yā biǎo shǐ yòng shí , qí diàn lù shí jì shang rú tú èr gàng liù suǒ shì 。
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