For the small signal, the coupled ordinary differential equations are used, and for the large signal, the Raman gain coefficient is modified. 对于大信号,我们对拉曼放大系数进行了修正。
A formula on system differential gain of link circuit 链路系统微分增益公式的建立和讨论
Based on these analyses, we see that the Si-based quantum-dot laser has higher gain and differential gain, its threshold current is more lower and the threshold current is insensitive to temperature when Si-based quantum-dot laser compares with normal semiconductor laser and quantum-well laser. 分析表明,与普通激光器和量子阱激光器相比,Si基量子点激光器有更高的增益和微分增益,阈值电流更低,阈值电流对温度更不敏感。
The optical modulation characteristics, differential gain ( DG), differential phase ( DP) and signal-to-noise ratio ( S/ N) are described as well in this paper. 文中论述了光调制特性、微分增益(DG)、微分相位(DP)、信噪比(S/N)等重要问题。
Analyzes the characteristics of vortex signal, designs a differential charge amplifier with gain adaptive function, and analyzes its operational principle. 分析了涡街流量信号的特点,设计了增益自适应差动电荷放大器并介绍了它的工作原理。
Differential Gain And Differential Phase In Satellite Television Broadcasting 卫星电视广播中的微分增益和微分相位
The effect of quantization distortion of the differential gain ( DG) and differential phase ( DP) in digital color TV systems is analysed. Two cases are taken into account. 本文分析了数字彩色电视系统中量化失真对微分增益(DG)和微分相位(DP)的影响。
Analysis and Design of Fully Differential Gain-boosted OPAMP Dedicated to 14 bit Sample-and-Hold Circuit 一个用于14位采样保持电路的全差分增益增强放大器的分析和设计
Experimental results show that the device can precisely measure many parameters of IOA, such as input offset voltage, input offset current, open loop differential AC voltage gain and AC common mode rejection ratio. 实验结果表明该测试仪能准确测量运算放大器的输入失调电压、输入失调电流、交流差模开环电压增益和交流共模抑制比等参数。
A measurement amplifier circuit is designed, which consists of circuits of differential amplifier, a common-mode rejection, double-end and single-end conversions and programmed gain amplifier. 设计了一个测量放大器电路,它由差动放大电路、共模抑制电路、双端单端转换电路和程控增益放大电路组成。
The Effect of Quantization Distortion on the Differential Gain and Differential Phase in Digital TV Systems 数字电视系统中量化失真对微分增益和微分相位的影响
The design of a fully differential CMOS sampling holding circuit and inter stage subtract gain circuit used in 10 bit 30 M sample/ s pipelined ADC is presented in this paper. 介绍一种10位分辨率、30MHz采样频率流水线操作A/D变换器中的CMOS全差分采样-保持(S/H)电路和级间减法-增益(SUB/GAIN)电路的设计。
According to the linewidth theory of semiconductor lasers proposed by C. H. Henry in 1982, reduced linewidth can be obtained with proper design of key parameters of a DFB laser, such as cavity length, coupling coefficient, differential gain and optical confinement factor. H.Henry于1982年提出的半导体激光器的线宽理论,通过适当设计DFB半导体激光器的腔长、耦合系数、微分增益、光限制因子,能有效地减小激光器的线宽。
Applying the rate equations to a train of strong pulses through a travelling-wave semiconductor laser amplifier ( TWA) a simple first-order differential equation has been derived to determine the output pulse or the singal gain of the TWA. 对于一串强脉冲信号通过行波半导体激光放大器(TWA)时,应用速率方程推导出一个简化的一阶微分方程,可用来确定输出脉冲信号或TWA的信号增益。
Corrections of Differential Gain and Differential Phase 微分增益和微分相位的校正
The simulation result indicated that using differential transformer test method can accurately gain the rotor displacement information, and realized the rotor's stable aerosol. 仿真表明,利用差动变压器测试法可以准确获取转子的位移信息,并实现转子的稳定悬浮。
After computing these forces, we use the second-order ordinary differential equation ( ODE) to compute the displacement of the point, and gain an expression. 分别计算3种力的大小,然后使用二阶常微分方程计算某个时刻点的位移,从而得到变形后的表情。
The principle is described graphically to explain the observed effects such as hysteresis, differential operational gain and memory functions. 描述了工作原理,解释所观测到的一些效应,例如滞后回线、微分增益以及记忆功能。
Differential Gain Network Design by Piecewise-Linear Approach 用分段线性原理设计微分增益网络
Inaddition, taking different line shape functions, we calculate the linear and differential gain of the twolasers corresponding to the different carrier density. 然后,在选取不同的线形函数的情况下分别计算了对应于不同的注入载流予浓度时的这两种激光器的线性增益和微分增益。
Parasitic tolerant differential SC transconductance using unity gain buffers 使用单位增益缓冲器构成的抗寄生SC跨导
And this software also allows users to research stability characteristics of integral and differential plane for a fixed proportional gain, which provides a convenient method to research stability characteristics in three-dimensional PID control parameters stability regions. 同时用户还可以使用该软件在给定比例增益的情况下研究积分和微分增益平面上的稳定特性,便于在稳定的PID参数集内研究不同PID控制参数下系统的性能。
Driver amplifier which is consisted of NPN differential pair with its emitter connected to differential inductor achieves the trade-off between gain and linearity, and lowers the effect to circuit performance caused by bonding wire parasite inductor. 驱动放大器由NPN差分对组成,发射极接差分电感,实现了增益及线性度之间的折中,降低了接地bondingwire寄生电感对驱放性能的影响。
The differential gain coefficient decreases with increased sheet carrier density. 微分增益系数随薄层载流子密度的增加而降低。
The peak of the differential gain spectrum shifts to longer wavelength, and the peak value is significantly enhanced by increasing compressive strain. 增加材料中的压应变量可以使得微分增益系数谱的峰值向长波长移动,并且能够明显的提高微分增益系数的峰值。
The structure of two stage and fully differential was used in the opamp, high gain provided by the first stage and large output swing provided by the second stage. 在电路结构上采用两级全差动结构,第一级提供一个高的增益,第二级提供一个大的输出摆幅。
Based on the calculation of energy band structure, the effects of compressive strain and p-type modulation doping on the gain, the differential gain and linewidth enhancement factor(α-factor) are investigated. 基于能带结构的计算,研究压应变和p型掺杂对材料的增益系数、微分增益系数和线宽增强因子的影响。
As a tax conducted in the resource extraction, it is apparently unable to adapt to the development of the current economic situation for the resource tax, if it still takes the general taxing and differential gain regulation as the principles. 作为在资源开采这一源头进行征税的税种、以普遍征收、调节级差收益为原则设置的现行资源税,已无法适应目前经济形势的发展。
For analog AGC reference level adjustment difficulties and the lack of computing differential comparison, digital-level matching techniques is introduced to achieve dynamic output gain control. 针对模拟AGC参考电平调整困难及差分比较运算的不足,引入数字电平比对技术,实现输出增益动态可控。
Split-step Fourier and differential method have been applied to gain both two-dimensional and three-dimensional numerical simulation results. 采用分步傅里叶方法和差分法得到了二维和三维的数值仿真结果。