The variation of voltage gain of the PGA can be realized by switched resistor-network, which is digitally controlled.
可编程增益运算放大器的电压增益变化可以通过数字控制的开关电阻网络来实现。
It has excellent output stability by following up the variation of input voltage and connected load, they almost can't be damaged in normal use.
它遵循了输入电压和负载变化连接良好的输出稳定，他们在正常使用下几乎不会有损坏。
This feedback being connected downstream Q1 transistor, the general behavior of this voltage supply is very sensitive to sensor impedance variation.
这个反馈被连接到下游的三极管Q1，此电源电压的特性，对阻抗的变化很敏感。
When the variation of bus-bar voltage and frequency occurs, the reliability of electric motors, transformers, control and protection system is analyzed in this thesis.
当电网电压和频率的变化时，分析了电动机、变压器、控制及保护系统、照明系统、通信导航设备等受电器工作的可靠性。
In the voltage correction the voltage variation of tie-line nodes is considered and is added into the traditional secondary voltage control as the feedback.
在电压校正中，考虑了区域联络线节点的电压变化，并以此作为反馈添加到传统的二级电压控制中。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Metal foil strain wafer is a live strain component, through which the variation of lading condition is shifted. The resistance module can vary from resistance to voltage in proportion.
金属箔式应变片是应变敏感元件，通过它转换被测部位受力状态变化，电桥完成电阻到电压的比例变化。
A new conception of power per unit impedance is defined and the basic equation to express the variation of load voltage magnitude with the variation of its dynamic equivalent impedance a.
定义了单位阻抗功率的新概念，推导了电压幅值随其等值阻抗和单位阻抗功率变化而变化的基本方程序。
The gain of this operational amplifier is voltage controlled and can be adjusted by voltage variation through P2.
这种运算放大器的增益电压控制，并可以通过P2电压变化调整。
The value of voltage drop and loss of variation of inductancedepend upon load loop inductance in superconducting film.
电压降及相应的这部份损耗决定于负荷电流在薄膜上的回路电感。
By means of computered modeling and simulating, the variation of the discrepancy of motor voltage and valve Angle are analyzed when system working at proper or fault condition.
利用计算机建模与仿真的方法，对电动节流阀控制系统正常和异常时电机电压和阀门转角的波动进行了分析。
Based on the relative variation of impedance during power swing, a novel phase selector for high voltage transmission lines is proposed.
提出了一种基于阻抗相对变化的高压线路保护选相新原理，用作振荡期间的选相元件。
The results show that the radio frequency drive voltage, the variation of states of polarization are main factors to affect the generation of the frequency-locked multi-carrier source.
结果表明，射频信号的驱动电压，系统中偏振态的变化是影响频率锁定多载波光源产生的主要因素。
By using the voltage stability analysis with uncertain factors of load variation considered in computation, more information about the critical point and the minimal power margin will be offered.
考虑负荷变化随机性的电压稳定分析方法可以更多地计及不确定因素，提供更丰富的电压稳定临界点以及最小功率裕度的信息。
The discharging curves for power frequency voltage and lightning impulse voltage are measured and its fluctuation range caused by variation of air condition is found.
该式能把工频电压和雷电冲击电压下空气隙的放电曲线箍在特定的范围内。
Considering the sensitivity of virtual nodal voltage to line reactance and variation of reactive power of power grid comprehensively, the voltage instability index is put forward.
综合考虑节点电压关于线路电抗和系统无功功率变化的灵敏度，提出了电压失稳指标。
By means of the proposed algorithm the sensitivity of nodal voltage to any network parameter can be obtained, such as line reactance, variation of reactive power of power grid and so on.
通过该算法可得到节点电压对任何网络参数的灵敏度，比如线路电抗、电网无功功率的变化等。
The variation of discharge voltage and capacity for VRLAB were investigated by means of cyclic tests at high discharge rate.
采用高倍率放电循环试验方法，研究了阀控免维护铅酸蓄电池在循环过程中端电压和容量的变化规律。
The response of the rotor voltage variation is taken as the criterion which is different from the conventionally used ones.
本装置采用的判据是反应转子电压变化量，与传统的转子判据不同。
Beginning from the analysis of ignition waveform, this paper researches the influence of engine rotate speed variation to high voltage ignition waveform.
从点火波形分析入手，研究发动机转速变化对高压点火波形的影响。
The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.
背景谐波电压不仅与电网中谐波源强弱、网压变化有关，而且与电网容量、结构有关。由于其直接决定电网承受畸变负荷的能力，所以有必要对各种电网的背景谐波状况作全面了解和测量。
The experimental results show that this system can complete monitoring temperature variation of high voltage devices real time on-line, it also proves that the proposed project is practicable.
实验表明，该测温方法完全可以实现对高压电器内部温度的实时在线监测，该测温方案是切实可行的。
The content variation of aroma in wine treated by high voltage pulse electric field was measured by GC-MS.
本文通过GC - MS分析，研究了葡萄酒经高压脉冲电场催陈后，其香气成分的变化情况。
Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.
传统二极管箝位变换器的电压变化率和共模电压较高，且波形谐波含量较大，使得输出滤波器的设计变得复杂。
Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.
传统二极管箝位变换器的电压变化率和共模电压较高，且波形谐波含量较大，使得输出滤波器的设计变得复杂。
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