采用参数放大器，即可将噪声系数减至最低。
结果显示，当放大器的负载网络取不同参数值时，分别得到高q值的正弦输出电压和低q值的非正弦输出电压。
The results showed that the sinusoidal output voltage at high Q and non-sinusoidal output voltage at low Q were obtained respectively when the parameters of the load network got various.
负反馈的最重要作用在于使放大器总增益不至于因基本放大器增益的改变而变化，其总增益的大小完全取决于反馈网络的元件参数。
The most important effect of this is to make the overall amplifier gain almost immune to changes in the amplifier unit gain, and dependent almost entirely on the feedback network components.
文中还讨论了各结构参数对JFFT的最大电流放大倍数的影响。
The effects of several configuration parameters in the JFFT on the maximum current amplification are also discussed.
同时，研究出影响梁挠度放大系数的各参数及其规律。
Meanwhile, it is given that the parameters influencing the amplification factor of beam deflection and law.
在该模型的基础上，讨论了势垒、阳极结的电势降落和电流的放大因子等电参数的变化。
Based on the model, the variations of the electrical parameters such as the potential barrier, the anode junction voltage drop, and the current amplification factor are studied and discussed.
研究了混沌优化方法中混沌变量的初值设定和载波过程中放大倍数等参数调整的实用方法。
How to initialize chaotic variables and determine parameters such as enlanger multiple of carrier_wave in the chaotic optimization method.
最后给出集中参数电路和微带电路的E类放大器实例。
At last, several class E amplifiers with lumped element and microstrip circuit are given.
得到了波长转换效率与半导体光放大器特性参数以及注入泵浦光功率等关系的解析表达式。
An analytic expression is developed describing the relationship between conversion efficiency and the characteristic parameters of SOA and input pump power.
本文介绍一种将微波低频段分布参数电路与超微细薄膜工艺结合的微型化、低噪声、高选择性的放大模组。
This module of distributed parameters used in the lower microwave band is skillfully combined with an ultra-fine thin-film technology.
改变输入信号幅度、反馈增益系数、放大器增益、比较器增益等参数以及相位补偿器的位置进行了仿真。
Simulations have been done through adjusting parameters such as input signal amplitude, feedback gain, amplifier gain, comparator gain and the position of the phase compensator.
对工作在深度负反馈状态的运算放大器电路，常采用虚短虚断技术得出的理想参数代替实际参数。
To the operational amplifiers circuits which works at deep negative feedback mode, we adopt ideal parameter deduced form ideal model instead of actual parameter usually.
构造了一些新的基于电流反馈放大器的电压模式双二阶滤波器，多滤波功能和参数可调是这些电路的主要优点。
Some new voltage-mode second-order filters based on current feedback amplifier are proposed. The major merits of these circuits are multiple filtering function and adjustable parameter.
闪变仪校准时需要调整的参数是传递函数的放大倍数，即增益K。
The parameter must be adjusted is the gain K in the transfer function.
并根据实验数据计算出氢化反应的动力学参数，为放大实验及工业设计提供参考数据。
The kinetic parameters are calculated by the experimental data, which are useful for the scale up test and industrial design.
MTMD最优参数的设计准则定义为：结构最大扭转角位移动力放大系数的最小值的最小化。
The design criterion of the MTMD optimum parameters is defined as the minimization of the minimum values of the maximum torsional displacement dynamic magnification factors.
结合对数放大器自身的特性，介绍了此电路在BPM系统中的组成，工作原理，试验结果和参数的测量方法。
According to log amplifier's characters, we introduce the structure, principal, experiment results and measurement of the parameters of the circuit in BPM.
通过不同开关的动作来虚拟模拟常见的故障，诸如，放大器漂移、系统参数改变、伺服阀反冲以及传感器失灵等。
Some faults such as amplifier offset, parameter changes, servo valve backlash and sensor fault are seeded in a virtual way by means of different switches in Simulink.
微波功率放大器设计需要大信号s参数，但大多数情况下，设计者只有小信号s参数和静态I - V曲线。
The design of microwave power amplifier needs large-signal s parameters, but under most circumstances, the designer only has small-signal s parameters and the static I-V curve.
通过键盘设置参数，实现放大器放大增益步进调节、滤波器带通频率步进调节功能。
Its parameters can be regulated by keyboard in order to control amplification and cutoff frequency by step.
于是SD -AMTMD最优参数和有效性的评价准则定义为：设置SD - AMTMD结构最大动力放大系数中最小值的最小化。
The assessment criterion of optimum parameters and effectiveness of SD-AMTMD is defined as the minimization of minimum values of maximum dynamic magnification factors of the structure with SD-AMTMD.
模拟了基极偏置电阻对功率放大器参数的影响。
The effect of base bias resistors on the parameters of pa (power amplifier) was simulated.
通过分析该模型中物与像的对应关系，得出了射影失真产生的根源是光学系统放大率的不恒定，并与相机的外参数：倾角及视场的大小有着非线性的变化关系。
The reason for Projective distortion that the amplification ratio is not constant but has nonlinear relation with pitch and tilt angles and field of view of cameras was found out.
对整个头部模型采用单一的全局缩放值很是可以的(例如将英尺转换为米，或将玩家缩小或放大)，但不要缩放瞳距参数。
A single global scale on the entire head model is fine (e. g. to convert feet to meters, or to shrink or grow the player), but do not scale head motion independent of interpupillary distance (IPD).
利用实验室建立的旋流板塔脱硫除尘中试系统开展了各种结构参数对系统阻力损失的影响研究，为系统的放大设计提供了实验依据。
The influence of various construction parameters on system resistance is studied in a model swirl board scrubber. It can be served as a fundation for a prototype scale design.
利用计算机和参数控制与数据采集器对膜片钳放大器进行数字控制和参数检测，并采用最小二乘拟合等算法计算相关参数。
The routine controls and inspects the patch-clamp amplifier by employing the personal computer and data acquisition, and then evaluates the analog parameters using relative arithmetic.
运用相似原理，采用模拟放大方法，科学地确定了浮选机主要结构参数和动力学参数，研制成功了振荡分离高选择性浮选机。
With a simulation principle and simulation enlarged method, the paper scientifically selected the main structural parameters and dynamic parameters of the floatation machine.
价值拨号使得一件简单的事情，以调节放大器的类型和参数值。
The value dial makes it a simple matter to adjust amp types and parameter values.
探讨了使用s参数设计低噪声放大器(LNA)的方法。
A design approach of low noise amplifiers (LNA) based on s parameter is studied.
结合次级电路，提出了基于E类放大器的经皮能量传输系统的参数设计方法。
Combining the secondary circuit, we have proposed the design methodology of transcutaneous power transmission system with a class-E amplifier.
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