To improve efficiency of power amplification circuit, circuits is being improved ceaselessly.
为了提高功放电路的效率，电路被不断改进。
The power FETs are more and more widely used in radio-frequency power amplification in all-solid state transmitter.
场效应功放管在全固态发射机的射频功放中应用得越来越广泛。
Darlington transistor is more convenience in power amplification areas because of its high power gain and high reliability.
达林顿晶体管增益大、可靠性高，尤其在大功率应用中更加简便。
A linear power amplification system of high efficiency is adopted to raise the power performance index of some SSB transceivers.
为了提高某单边带电台的功率性能指标，采用了高效率线性放大系统。
The traditional class D amplifier is composed of three parts: modulation circuit, driving circuit and power amplification circuit.
传统的D类放大器一般由三部分组成，即调制电路、驱动电路和功率输出电路。
If a spring foundation is used, comparison shows that more than 98% of the power amplification factor will be reduced by the spring elements.
如果使用弹性基础，则基础的动力放大系数将减少98%左右，可避免基础与半速汽轮机组产生共振。
A power amplification of H-bridge bipolar PWM control is designed for controlling DC micro-motor of positive rotation, reverse rotation and speed regulation.
基于H型双极模式P WM控制原理，设计了一种直流微电机正反转调速功率放大电路。
In the early 1950s, a new technology based on semiconductor construction would replace triodes with transistors, in cases where low-power amplification was needed.
在上个世纪五十年代初期，基于半导体结构的新技术，在需要低功率放大的情况下可用晶体管替换三极管实现这一功能。
The coupling efficiency of laser with semiconductor power amplification, output power of laser with semiconductor power amplification and operating lifetime have been improved.
提高了半导体功率放大激光器的光耦合效率以及输出的光功率。
The paper presents design proposal. working principle and functions of the signal processing system in the phase noise calibrating system 'for the pulse power amplification chain.
详细介绍了在脉冲功率放大链相位噪声检定系统中的信号处理系统的设计方案、工作原理及功能。
Design the signal adjust circuit for sensor, and the power amplification circuit for the hydraulic pressure system of test platform and the controller of magnetorheological dampers.
设计出传感器输入输出信号调理电路和试验台架液压激振系统、磁流变阻尼器控制器的功率放大电路。
Using the side-pumped coupler made from fused tapered fiber, the Yb-doped double-cladding fiber (YDCF) master oscillation power amplification (MOPA) with all-fiber structure is experimentally studied.
结合双包层掺镱光纤(YDCF)和主振荡功率放大(MOPA)技术，利用熔融拉锥的光纤侧面耦合器，设计和实验研究了全光纤结构的脉冲光纤放大器。
Its power came from electronic amplification; it borrowed from the apparatus.
它的力量来自于电子放大器；借自于机器。
The valve is driven directly by a large strake multilayer piezoelectric stack, its displacement actuates the power cascade spool after amplification by a lever mechanism.
该阀采用大行程的压电叠堆作为驱动元件，经杠杆放大后的位移直接驱动功率级滑阀。
And the power amplifier can realize accurately tracking and amplification for ac signals with frequency range up to 1000hz.
功率放大器可以实现交流信号的准确跟踪和放大，输出频率范围可达1000赫兹。
Meanwhile, the chirped pulse amplification technique has boosted the peak power of the pulse to the terawatt level.
与此同时，掣波脉冲放大已经把脉冲的峰值功率提高到兆兆瓦水平。
The technique of chirped pulse amplification (CPA) has become the important method to get high power of femtosecond laser pulse.
啁啾脉冲放大(CPA)作为获得高功率飞秒激光脉冲的关键技术日益成熟。
According to the requirement of system, some power detecting points and power controlling switch are provided for the amplification control chain.
并根据大系统的要求对该放大链提供了功率检测控制点和功率控制开关。
The controller combines parallel amplification and drain modulation of the CMOS class-E power amplifier to provide high efficiency over a broad range of output powers.
结合射频E类功率放大器的结构特点，采用CMOS工艺，达到了在大的输出功率范围内保持持续稳定高效率的目的。
In high power laser drivers used for Inertial Confinement Fusion (ICF) research, the propagation, amplification and control are always the research emphases of high power laser physics and technology.
在用于惯性约束聚变研究(ICF)的高功率激光驱动器中，强激光束的传输、放大与控制问题一直是强激光物理与技术研究的重点。
It is concluded that the harmonic amplification in power systems is effectively restrained by using mixed series reactors.
并得出结论：采用混合型串联电抗器可以有效抑制电网中各次谐波的放大。
As the amplifier tuned load circuit, they are able to select the base component cosine pulse to obtain undistorted amplification signal output, so this amp is also known as tuned power amplifier.
由于放大器的负载为调谐回路，所以能选出余弦脉冲中的基准分量，获得不失真的放大信号输出，因此这种放大器也称为调谐功率放大器。
A super-high end integrated amp that used the HCA power amp that was the pride of the 10000 Series, and held fast to analog amplification in the digital age.
使用了1000系列引以为傲的HCA功率放大，在数字年代保持了高速的模拟放大，属于超高端的高保真放大器。
The development of chirped -pulse amplification (CPA) technique requires to optimize CPA for the production of high power ultrashort light pulses with low pedestal.
啁啾脉冲放大（CPA）技术的关键在于提高高功率短脉冲的信噪比。
A single stage amplifier was used outside the loop cavity to increase the output power, and the influence of amplification on laser quality was analyzed.
环形腔输出后加入单级光放大提高输出激光的光功率，分析了放大对激光性能的影响。
In electronics, pertaining to an equipment incapable of amplification or power generation.
在电子技术中，用来修饰或说明不能进行放大或产生能量的设备。
Distributed Raman amplification generates a significant amount of amplified spontaneous emission (ASE) optical power.
分布拉曼放大产生大量的放大自发发射(ase)光功率。
Materials with light amplification is a main part of fiber amplifier, which determine the power efficiency of fiber amplifier.
光放大材料是光纤放大器的主要组成部分，它决定光纤放大器的光放大功率。
This is the least efficient method of amplification, because the output devices are dissipating maximum power with no input signal.
这是最有效的方法，扩增，因为输出设备的最大功率耗散没有输入信号。
This is the least efficient method of amplification, because the output devices are dissipating maximum power with no input signal.
这是最有效的方法，扩增，因为输出设备的最大功率耗散没有输入信号。
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