放大

[fàng dà]
  • 放大
  • 释义

    amplify;magnify;boost;enlarge;blow up;

纠错 数据更新时间:2026-04-18 09:04:35
  • 近义词
  • 反义词

  • 热胀冷缩expand with heat and contract with cold;expansion caused by heat and contraction caused by cold;(Objects) expand when heated and contract when cooled.;Heat makes something expand and cold makes it contract. ;
  • 膨大intamescentia;expand;inflate ;
  • 膨胀expand;swell;dilate;inflate;bulge ;
1、

The insects were examined under magnification.

这些昆虫是放大后加以观察的。

《牛津高阶英汉双解词典》

2、

Purpose: Audio frequency low power amplifier, driver stage amplifier, switching applications.

用途: 用于音频小功率放大, 激励级放大及开关电路.

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3、

Can you do me a blow-up of his face?

你能帮我把他的脸部放大吗?

《牛津高阶英汉双解词典》

4、

For the traditional Doherty power amplifier, the current of the peaking amplifier could not get to the maximum allowable level that the load modulation of both amplifiers was unable to achieve the optimized impedance at the maximum output and resulted in the efficiency degeneration because its low bias.

对于传统Doherty放大器,由于峰值放大器偏置的原因使其在最大输出工作状态时,无法达到最大电流而导致两个放大器的输出端无法实现最佳负载调制,造成整体效率下降。

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5、

Anew twice-comparison instantaneous floating-point amplifier with sign bit is recommended in this paper.

本文提出了一种新型的带有符号位的二次比较型瞬时浮点放大器,它是将通常用的七阶放大改为四阶放大。

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6、

This microscope magnifies 40 diameters.

这台显微镜能放大40倍.

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7、

Design, simulation and realization of power amplifier and low noise amplifier are discussed in this article, including RF amplifiers circuit and DC feed circuit.

基于工程开发的需要,本文讨论了功率放大器和低噪声放大器的设计、仿真及整个电路的实现方法,包括射频放大电路和直流馈电电路,并提供了相关的仿真结果和测试结果。

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8、

This photograph is too small, please enlarge it for me.

这张照片太小, 请把它给我放大.

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9、

The magnification is 833,333 times the original size.

放大倍数为实物大小的833,333倍。

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10、

Combined vision-sound amplification type television transmitter

放大色(视觉放大)图像、伴音合成放大式电视发射机

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11、

Analog front-end circuit consists of preamplifier, low pass filter circuit and back stage amplifier circuit, preamplifier circuit instrumentation amplifier is used because it has a high input impedance, high common mode rejection ratio ( CMRR), low noise, and low drift.

模拟前端电路由前置放大电路、高低通滤波电路和后级放大电路组成,前置放大电路用的是仪表放大器,因为它有高输入阻抗、高共模抑制比(CMRR)、低噪声、低漂移。

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12、

Pores are visible without magnification.

毛孔无须放大就可以看见。

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13、

Amplified circuit, unidirectional amplification. Right-click for both-way amplification.

放大的电路, 单向放大. 右击来指定 双向 放大.

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14、

When multistage amplifier has double input double-output differential circuit, the two methods produce different calculating results.

多级放大器的放大倍数的计算有两种基本方法,但当多级放大器中含有双入双出型差动电路时.

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15、

So the research of polymer optical fiber amplifiers ( POFAs) is required, the advance of POFA doped by rare earths is very slow, the gain of dye-doped POFA is high, but the thermal bleaching of organic dyes limits the life of POFA.

因此,聚合物光纤放大器的研究也就成为必然,掺稀土元素聚合物光纤放大器研究进展缓慢,掺有机染料聚合物光纤放大器增益较大,但普遍存在染料的热漂白问题,限制了放大器的工作寿命。

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16、

His eyes seemed slightly dilated.

他的瞳孔似乎略微放大

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17、

An enlargement is often made from a small photograph.

大照片常由小照片放大而成.

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18、

Voice amplification circuit design is composed of Pre-amplification circuit, Active filter circuit and power amplification circuit.

语音放大电路由前 置 放大电路 、 有源滤波电路和功率放大电路三部分组成.

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19、

This paper introduces a basic conception of logarithm amplifier and a useful logarithmic amplifier using the chip of AD8313 that has a wide bandwidth, high dynamic range and high accuracy.

介绍了对数放大器的基本概念以及利用AD8313对数放大器集成芯片研制的实用宽带、大动态范围、高精度对数放大器模块。

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20、

Then the principle of the power amplifiers is introduced, including the main technical parameter, classification and stability of the power amplifier.

然后介绍了功率管放大器的原理,包括功率放大器的主要技术指标、分类及功率放大器的稳定性问题。

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21、

Amplifier is electrical device which make sounds louder.

扩音器是一种使声音放大的电气装置.

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22、

A microscope magnifies bacteria so that they can be seen and studied.

显微镜把细菌放大,使人们得以看见并研究它.

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23、

This landscape seemed to trap and amplify sounds.

这种地貌好像可以笼住并放大声音。

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24、

This photograph won't probably enlarge well.

这张照片放大出来很可能效果不好.

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25、

An object was magnified 200 times by the microscope.

这架显微镜能把物体放大二百倍.

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26、

According to the specification of GSM repeater power amplifier, radio frequency link design and network topology map of power amplifier are confirmed.

针对直放站功率放大器的设计指标要求,确定了功率放大器的射频链路设计方案和功率放大器的整体网络拓扑结构图。

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27、

Her life was her personality writ large.

她的生活是她性格放大了的写照。

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28、

In this thesis , we also investigate the appropriate application of FRAs in passive optical ring networks.

我们比较了光纤拉曼放大器以及掺铒放大器应用在被动光环网路中做为光放大器的表现.

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29、

Meanwhile, comparison tests with EDFA show that DFRA has better performances when it is used as in-line amplifiers in the remote FOH system.

同时将分布式光纤拉曼放大器和掺铒光纤放大器进行了实验对比,结果表明前者可以作为远程光纤水听器系统的在线放大器,并且具有比后者更好的噪声性能。

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30、

The blowup showed a scar on the attacker's cheek.

放大的照片显示出攻击者面颊上有块伤疤.

《简明英汉词典》

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