preamplifier

US 
UK 
  • n.【电】前置放大器
  • Web前级放大器；前级扩大机；预放大器
Plural Form：preamplifiers  

E-C

E-E

Web Definition

n.
1.
【电】前置放大器

Sample Sentence

Definition:
AllAll,前置放大器前置放大器,前级放大器前级放大器,前级扩大机前级扩大机,预放大器预放大器
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
Preamplifier and filter were used for cancellation of respiratory ECG, body interference.
利用前置放大器和滤波器有效滤除掉呼吸，心电，人体等干扰。
lì yòng qián zhì fàng dà qì hé lǜ bō qì yǒu xiào lǜ chú diào hū xī , xīn diàn , rén tǐ děng gān rǎo 。
www.chemyq.com
2.
The main work of the dissertation is to design the buoy hardware besides preamplifier and communication and control part.
本论文的工作是完成除前放和通信及控制分机之外的浮标主舱硬件设计。
běn lùn wén de gōng zuò shì wán chéng chú qián fàng hé tōng xìn jí kòng zhì fēn jī zhī wài de fú biāo zhǔ cāng yìng jiàn shè jì 。
paper.pet2008.cn
3.
The same basic circuit configuration shown in Figure 1-8 can be used as an input preamplifier for a nanovoltmeter.
与图1-8所示相同的基本电路结构也可以用作纳伏表的输入前置放大器。
yǔ tú yī gàng bā suǒ shì xiāng tóng de jī běn diàn lù jié gòu yě kě yǐ yòng zuò nà fú biǎo de shū rù qián zhì fàng dà qì 。
www.eefocus.com
4.
In the system, the charge integral amplifier was used as the preamplifier whose output and noise has been studied in details.
电路实现中采用积分电荷放大器作为前置级，文中对其输出和噪声进行了深入的分析。
diàn lù shí xiàn zhōng cǎi yòng jī fēn diàn hè fàng dà qì zuò wéi qián zhì jí , wén zhōng duì qí shū chū hé zào shēng jìn xíng le shēn rù de fēn xī 。
www.mct.com.cn
5.
These cards include a built in preamplifier and are controlled through a microchip processor.
这些卡中包含一个内置的前置放大器，是通过一个微芯片处理器来控制的。
zhè xiē kǎ zhōng bāo hán yī gè nèi zhì de qián zhì fàng dà qì , shì tōng guò yī gè wēi xīn piàn chǔ lǐ qì lái kòng zhì de 。
www.chinatranslation.net
6.
Therefore the capability of a competent preamplifier should meet the requirements of all aspects.
因此，一个合格的前置放大器必须满足各个性能方面的要求。
yīn cǐ , yī gè hé gé de qián zhì fàng dà qì bì xū mǎn zú gè gè xìng néng fāng miàn de yāo qiú 。
www.fabiao.net
7.
Experiment results show that the preamplifier designed could meet requires effectively.
实验表明，所设计的前置放大电路可以有效地满足设计要求。
shí yàn biǎo míng , suǒ shè jì de qián zhì fàng dà diàn lù kě yǐ yǒu xiào de mǎn zú shè jì yāo qiú 。
www.ceps.com.tw
8.
Otherwise, the circuit also comprises offset high-voltage, semiconductor detector and preamplifier, etc.
另外，电路还包括偏置高压、半导体探测器、电荷灵敏前置放大器等部分。
lìng wài , diàn lù hái bāo kuò piān zhì gāo yā 、 bàn dǎo tǐ tàn cè qì 、 diàn hè líng mǐn qián zhì fàng dà qì děng bù fen 。
paper.pet2008.cn
9.
Preamplifier is an important unit for amplification of weak reflection signals.
在地震物理模型实验系统中，前置放大是提高弱反射信号的重要器件。
zài dì zhèn wù lǐ mó xíng shí yàn xì tǒng zhōng , qián zhì fàng dà shì tí gāo ruò fǎn shè xìn hào de zhòng yào qì jiàn 。
www.ceps.com.tw
10.
Specially designed preamplifier circuits ensure that unwanted noise, thermoelectric EMFs, and offsets are kept to an absolute minimum.
专门设计的前置放大器电路确保不希望有的噪声、热电动势和偏置电压保持在绝对最小的数值。
zhuān mén shè jì de qián zhì fàng dà qì diàn lù què bǎo bù xī wàng yǒu de zào shēng 、 rè diàn dòng shì hé piān zhì diàn yā bǎo chí zài jué duì zuì xiǎo de shù zhí 。
www.eefocus.com