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.
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.
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.
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.
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.
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.
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.
设计描述了通用型运算放大器参数自动测试系统的设计。
This paper describes the design of automatic multi-parameter testing system of general purpose operational amplifier.
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.
每个电路都具有谐振频率，可通过仅改变一个或更多个有源放大器的参数来调整所述谐振频率。
Each circuit has a resonance frequency that is adjustable by changing only the parameters of one or more active amplifiers.
传统膜片钳放大器中，电容补偿参数配置需手动完成，过程复杂、繁琐。
In traditional patch-clamp amplifiers, the parameters for capacitance compensation are manually configured according to the observation of experimenters, which is very complicated and discommodious.
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.
本文着重介绍了前馈放大器电路的工作原理，并对系统中各关键器件的参数进行定量分析。
The dissertation highlights the work principle of the feed-forward amplifier circuit, and then quantitative analysis of the key components parameters in the system.
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.
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.
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.
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.
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.
通过对大气衰减系数、放大器放大能力、光电二极管接收灵敏度等一些主要参数进行分析，建立了激光模拟系统的数学模型。
Secondly, the mathematical model of the laser simulation system is built upon the atmosphere attenuation, the amplifier extent, receiving-sensibility of photoelectric diode and other preferences.
借助于锁相放大器的鉴相特性，使该电桥在RLC 参数的快速测量中得到应用。
With the help of loch—phasic amplifer for the chief of distinguish phase, these bridge methods for RLC quantity fast measuring have been applied.
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.
这些参数将一个想法的“感觉”的放大器，但最终，你仍然必须发挥功放和使用你的耳朵告诉你哪一种最适合您的演奏风格。
These parameters will give an idea of the "feel" of the amp, but in the end, you still must play the amp and use your ears to tell you which one is best suited for your playing style.
该误差放大器芯核同时具有适合低电压工作，并对工艺参数变化不敏感的优点。
The error amplifier IP is suitable for low voltage operations and insensitive to process variations.
运放参数主测试电路采用辅助放大器测试法设计，通过相位补偿网络消除电路自激现象。
The main test circuit adopts the auxiliary amplifier method with phase compensation circuits in order to avoid self-excitation.
如果放大器内装或外连有杜比数码(ac - 3)处理器时，您应利用设定选单为放大器指定扬声器系统的参数。
If your amplifier is connected internally or externally with a Dolby digital (ac-3) processor, you should use the setup menus for the amplifier to specify the parameters of your speaker system.
利用商用三维电磁场分析软件HFSS对集成化低噪声放大器组装和互连中的关键参数进行了仿真和优化。
Some critical parameters of packaging and interconnection of the integrated LNA were simulated and optimized by using commercial 3d electromagnetic field analysis software HFSS.
介绍了组成掺铒光纤放大器各组件的特性测量方法，重点介绍了测量掺铒光纤（EDF）参数的方法和实验装置；
The methods and the experimental setups for measuring the gain and noise figure of an EDFA are emphasized.
设计了该放大器的输入耦合装置，并给出了主要参数及性能指标。
The designing scheme of input coupler is presented with main parameters.
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