研究光纤放大器的耦合效率以及影响输出功率的因素。
The coupling efficiency of the amplifier and the factors affecting the output power improvement are investigated.
梦幻输出，垂直场效应管FET功放，这个是第一个全FET功率放大器。
The dream output element, the vertical power FET, was used for the first time in this all-FET power amplifier.
理论分析结果表明，单周控制开关功率放大器的输出信号与输入信号成线性变化关系，其控制性能由输出滤波器决定。
The theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter.
按此原理设计，传输系统的放大器将有最大实用功率输出。
Designed on this principle, amplifiers in a transmission system will have maximum efficient power output.
该方法适用于输出功率为数瓦的光纤激光器和放大器的侧面抽运。
This method suits for pumping the fiber laser and amplifier of several watts output power.
功率放大器的输出误差、压电陶瓷的洄滞及蠕变误差、驱动器之间的耦合误差等是影响机器人运动精度的关键因素。
Output errors of power amplifiers, hysteresis and creep error of PZTs and coupling error among the actuators are the critical factors affecting the motion accuracy of micromanipulator.
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。
And the power amplifier can realize accurately tracking and amplification for ac signals with frequency range up to 1000hz.
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。
The traditional class D amplifier is composed of three parts: modulation circuit, driving circuit and power amplification circuit.
在该系统中，提供了一种用于减少来自无线通信设备的发射电路中的功率放大器的输出信号的谐波的电子电路。
In the system, an electronic circuit for reducing harmonics of an output signal from a power amplifier in a transmission circuit for a wireless communication device is provided.
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。
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.
射频功率放大器的主要功用是放大射频信号，并且以高效率输出大功率为目的。
The primary function of RF power amplifier is to amplify the RF singal with high efficiency.
功率放大器两个基本要求：一是输出信号变化能够与输入信号的变化相一致，即：系统失真小：二是整个功率放大器的损耗低，即：系统效率高。
The requirements are: the change of output signal is consistent with input signal, namely, low distortion; and the loss of the power amplifier is low, namely, high efficiency.
双包层光纤放大器输出功率高，可用于密集波分复用系统、光纤CATV系统以及空间光通信系统中。
High power double-clad fiber amplifier is suitable for WDM, fiber CATV system and space laser communication.
还公开了一种对放大器系统的功率输出进行放大的方法。
There is also disclosed a method of amplifying the power output of an amplifier apparatus.
两个功率放大器的输出级均采用PMOS和NMOS晶体管特殊设计而成。
Two power amplifier output stage using PMOS and NMOS transistors by the special design.
功率放大器的主要目的是以高效率得到大的输出功率。
The main function of the power amplifier is to get the highest output power at high efficiency.
第二套系统采用的是基于半导体光放大器（SOA）的可调谐激光器做光源，有效的增加了光源的输出功率，提高了信噪比；
The second system is tunable laser light source based on semiconductor optical amplifier(SOA), light output power and signal-to-noise ratio are improved effectively;
磁放大器后级稳压技术广泛应用于改善多路输出功率变换器的交叉调整率。
Magamp is an effective solution for improving cross regulation of multi-output power converter.
功率放大器的单位形式是2U19”，6分贝平衡输入和100伏水平输出。
Power amplifier unit formats are 2U 19", balanced input 6dB and 100 volts line output."
若考虑伺服放大器效率及电源功率等因素，伺服放大器电源电压应取额定输出电流所对应的伺服放大器输出电压的3倍左右为宜。
If the efficiency of servo amplifier is considered, it is practicable that the power supply voltage is about 3 times as large as the servo amplifier output voltage corresponding to rated current.
基于LDMOSFET的高增益、高输出功率、低功耗和良好的散热特性，分别设计了S波段45w和180w固态功率放大器。
Considering LDMOS FETs high gain, high output power, low power loss and efficient heat dissipation, a S-band, 45w and 180w solid state power amplifier is designed.
放大后的音频信号再经增益为1的第二个功率放大器进行反相放大，并从OUTB输出。
The audio signal amplified by the gain of one and then the second power amplifier RP enlarge, and OUTB output.
利用该程序研究了椭圆波导FEM放大器的输出功率、效率、带宽等高频特性，并对不同椭圆度的椭圆波导FEM放大器的性能进行了计算、对比分析。
The characteristics of FEM amplifier with elliptical guide, such as the evolutin of power, efficiency and bandwidth, are analyzed. These results are useful to design FEM devices.
本文给出了频标放大器输出级相位噪声功率谱密度的公式。
A formula of phase spectrum density for transistorized amplifier is given.
由于半导体光放大器的宽增益谱与滤波器的较大可调谐范围，使得激光器输出可以在较大的波长可调谐范围内保持较大功率输出。
With broad gain spectral width of SOA and large tuning range of filter, the output power of the output pulse train could keep big enough over a large tuning range.
研究了新型的三段级联泵浦优配的掺铒光纤放大器的优化光路结构，得到高增益，低噪声，大输出功率的掺铒光纤放大器；
We also experimentally demonstrate a novel three-stage erbium-doped fiber amplifier with high gain, low noise figure, and high output power.
实验与分析表明，高压直流放大器采用功率场效应管和电压闭环控制后，可拓展放大器通频带，提高放大器输出能力和长时间稳定性。
The experimental and analytical results demonstrate that wide bandwidth, high voltage output and long-time stability can be achieved with power MOSFETs and a closed-loop scheme.
高频放大器输出功率40瓦。
依据温度数据的反馈，能及时地对各路功率放大器输出的功率进行调整，以保证热疗达到预期的效果。
According to the temperature signal, the system can intelligently adjust the acoustic output so as to achieve effective therapy.
依据温度数据的反馈，能及时地对各路功率放大器输出的功率进行调整，以保证热疗达到预期的效果。
According to the temperature signal, the system can intelligently adjust the acoustic output so as to achieve effective therapy.
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