负反馈能改善阻容耦合放大器中何种失真?。
What Kind of Distortion Can Negative Feedback Ameliorate in RC-Coupled Amplifier?
该合同根据DB控制公司的耦合腔tWT放大器的生产能力而授予的,为选定的雷达波段提供最大功率。
The contract was awarded based on the ability of dB Control's coupled-cavity TWT amplifiers to deliver extremely high power over the selected radar band.
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.
介绍了光纤光学参量放大器的理论,基于耦合波方程推导出光纤光学参量放大器的增益表达式。
Theory of fiber optical parametric amplifiers (FOPAs) is introduced and the expression for the gain of FOPAs is deduced from the basic coupled wave equations.
实验结果表明:采用侧面直接抽运耦合系统的激光放大器有均匀的抽运光分布场和增益分布场。
The results of experiment indicate: the laser amplifier with side-directly-pumped coupling system has uniform pump light distribution and gain distribution.
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.
因为放大器的增益也可用耦合系数和规一化负电导来表示,因此在增益和有效噪声间获得一个单值关系式。
The gain of the amplifier is also given in terms of the coupling factor and the normalized negative conductance, the relationship between the gain and the effective noise figure is thus found.
首先用时域法分析了该微波放大器的非线性耦合效应。
Firstly, the nonlinear coupling effects of the microwave amplifier are analyzed.
本文基于光纤拉曼放大器(FRA)的非线性功率耦合方程,利用改进的遗传算法对泵浦源实施优化设计。
Based on the nonlinear power coupled equations of fiber Raman amplifiers (FRA), the optimal design to the pumps source has been done with modified genetic arithmetic in this paper.
该放大器采用有源电感负载技术和放大器直接耦合技术以提高增益,拓展带宽,降低功耗并保持了良好的噪声性能。
Active inductor loads and direct-coupled technology are employed to increase the gain, broaden the bandwidth, reduce the power dissipation, and keep a tolerable noise performance.
该芯片的判决电路采用SCFL(源级耦合晶体管逻辑)的D触发器结构,根据矢量叠加原理设计,采用差动电流放大器构成可调移相器。
The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.
通过数值求解耦合波方程,研究了半导体光放大器弛豫时间对四波混频波长变换效率的影响。
This dissertation is devoted to effects of relaxation times on wavelength conversion efficiency based on four-wave mixing(FWM) in semiconductor optical amplifier(SOA).
在低耦合系数条件下 ,通过基于初级漏感的E类功率放大器和次级漏感的补偿方法 ,提高电容充电电流和传输效率。
In order to improve both charge current and transfer efficiency via a lower coupling coefficient inductive link, class E power amplifier based on primary leakage inductance and compensat.
从理论上分析了利用光纤环形镜(FLM)中的偏振耦合效应作为滤波器,对掺铒光纤放大器(EDFA)实现增益平坦化的方法。
The method of erbium-doped fiber amplifier(EDFA) gain flattening using a fiber loop mirror(FLM) acting as a wavelength filter was analyzed in theory.
您可以运行放大器的AC或DC耦合。
提出了一种光电耦合线性放大器,对其进行了分析和实验。
A new kind of linear amplifier has been developed and analyzed. And an experiment has been performed on it.
多通道电荷放大器可以配置的耦合在一起最多的16个单位和32个频道。
A multi-channel charge amplifier can be configured by coupling together a maximum of 16 units and 32 channels.
这种变压器耦合线路前置放大器是最终的音频注意建材工程。
This transformer coupled line pre-amplifier is the ultimate in Audio Note DIY engineering.
使用文中介绍的方法设计单电源运算放大器能巧妙地解决由偏置电压引起的信号摆幅受限的问题,有较高的动态范围,而且具有比交流耦合更高的带宽。
The novel design solved the problem of limited voltage swing range caused by bias voltage at input of the OPA and achieved higher bandwidth compared to ac coupled design method.
触发信号调理电路主要包括触发源选择,耦合类型选择,触发放大器和触发比较器等组成部分。
How to turn the signals into acceptable trigger pulse is the task of the trigger circuit, which includes trigger source choice circuit, coupling types choice circuit, trigger amplifier and comparator.
设计了同轴波导FEL放大器的输入耦合器,给出了该输入装置的相关参量。
The design of input coupler for a Ku-band coaxial FEL amplifier is presented. Main parameters are given.
核心电路为两级直接耦合差分放大器。
The core circuit is two stages of direct-coupled difference amplifier.
提出了一种改进的、可用于计算偏振相关拉曼增益的光纤拉曼放大器的非线性耦合波方程。
A set of improved nonlinear coupled-wave equations describing the properties of fiber Raman amplifiers is developed, which can be applied to calculate the polarization dependent Raman gain.
根据磁机械耦合系数的测量原理,利用锁相放大器建立了磁机械耦合系数测量系统,并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数。
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
最后引入了指向误差分析,比较了这两种耦合方式的优劣,最终将放大器定为直接耦合抽运方式。
From the error analysis of LDA pointing, it is found out that the amplifier without micro-lens is more preferable.
此外,还介绍一个小型通用程序,它能对一些定向耦合器、平衡晶体管放大器以及电调衰减器等进行分析和优化设计。
Furthermore a small general program is also presented which is capable of analysing and optimizing a group of directional couplers, balanced transistor amplifiers and electrically tuned attenuators.
放大器可以是差分互阻抗放大器,或耦合至差分输出放大器的双互阻抗放大器。
The amplifier may be either a differential trans-impedance amplifier, or a dual trans-impedance amplifier coupled to a differential output amplifier.
根据陷波滤波器均衡法的原理,用光无源器件耦合器来修正掺铒光纤放大器增益谱线的不平坦,并探索出一种可以方便快捷地得到耦合器相关参数的方法。
Coupler is used to rectify EDFA's gain spectrum based on the principle of gain equalizing technology. A method was suggested to achieve the suitable parameters of the coupler.
根据陷波滤波器均衡法的原理,用光无源器件耦合器来修正掺铒光纤放大器增益谱线的不平坦,并探索出一种可以方便快捷地得到耦合器相关参数的方法。
Coupler is used to rectify EDFA's gain spectrum based on the principle of gain equalizing technology. A method was suggested to achieve the suitable parameters of the coupler.
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