Her appeal is more modern than diana's. 她的号召力比戴安娜的可现代得多。
In a feedback oscillator the negative resistance will be evident only as an alternating current parameter of the circuit. 在反馈振荡器中,负阻仅仅表现为电路的交流参数。(形容词作表语转译为谓语)
Voltage Stability Margin Index Base on Operating Characteristics of Alternating Current Circuit 基于交流电路运行特性的电压稳定裕度指标
Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. 瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。
Distribution of electromagnetic field between plates and electric charge surface density and current surface density on plates of a parallel plate capacitor in alternating current circuit are calculated by Maxwell ′ s equations and boundary conditions, the results are discussed 应用麦克斯韦方程和边界条件,计算了交流电路中平行板电容器极板间的电磁场、极板电荷面密度和电流面密度的分布,并对结果进行了讨论
Through electrostatics and examples of low-frequency alternating current and direct-current circuit, the problem of zero potential point is queried and clarified. 通过静电学、低频交流、直流等电路实例,质疑了电势零点问题,并对此进行了澄清。
In order to detect the MEMS capacitive accelerometer signal, through compared of the advantage and the disadvantage of the difference capacity detection circuit, combined the direct current charge and discharge and alternating current measurement ways, a differential detection circuit is designed. 通过对MEMS电容式加速度计的差分电容检测电路优缺点的比较,结合直流充放电检测方法和交流测量方法的优点,设计了微分检测电路,用方波作为载波。
Since analysed the theory of micro-capacitance gauging circuit and previous circuit, I devised a kind of alternating current energizing C/ V convert circuit which was preeminent performance and low priced, and gave out the performance index/ parameter of the circuit. 对微小电容测量原理的分析和对前人电路的分析,在此基础上设计了一种性能优越、价格低廉的交流激励型C/V转换电路,并给出了该电路的性能指标。
Three-factor method is used in first-order alternating current linear circuit 三要素法在一阶交流线性电路中的应用
A discussion on the measure of alternating current circuit parameters 交流电路参数的实用测量法研究
This paper analyzes the usage of three-factor method in transient state of first-order alternating current circuit, getting the alternating current expression from direct current expression, and proves it by examples. 该文分析三要素法在一阶直流线性电路暂态中的应用,从直流激励表达式推导交流激励表达式,并通过实例加以证明。
On the physical mechanism of alternating-current arc, the circuit model of alternating arc is put forward in this paper, and engineering estimating method of the arc parameters is given. 从交流电弧的物理特性出发,利用欧姆定律和瞬间能量平衡方程提出了交流电弧的电路模型,并给出了确定电弧参数的工程估算方法,通过仿真验证了该模型的有效性。
Study on All-parameter Measurement of Alternating Current Circuit with Digital Signal Process Technology 基于DSP技术的交流电路全电量测量系统的研究
In order to eliminate integration drift in 3-phase alternating large current measurement apparatus, the substitution of inertia link ( approximate integration circuit) for the integration circuit is proposed by our Research Group. 为了解决三相交流大电流测量装置中的积分漂移问题,我们科研组采用惯性环节(近似积分电路)取代积分电路。
The three-factor method can simplify the analysis of the transient state of first-order alternating current linear circuit. 三要素法可以简化一阶交流线性电路暂态分析。
In this paper we develop homogeneity theorem in frequency domain analysis to sinusoidal alternating current circuit by hybrid parameter matrix, and apply the theorem to the analysing and calculating of complex ladder networks. 本文运用混合变量法推导了正弦稳态交流电路中频域的齐性定理,并应用此定理对复杂的梯形电路进行了分析计算。
Distribution of electric charge and current on plates of a parallel plate capacitor in alternating current circuit 交流电路平行板电容器极板上电荷与电流的分布
Characteristic analysis for critical voltage collapse based on alternating current circuit 基于交流电路的临界电压崩溃特性分析
After the brief introduction of concept about the time controller, this paper has analyzed the principle of the developed electronic time controlling over the alternating current supply circuit. 简要说明定时控制器的概念后,着重分析所给电子定时控制交流电源电路的原理。
There exist two relative theories of the alternating current circuit, the theory of constant current source and that of constant voltage source and so there are also two relative methods, the method of unifying admittance calculation and that of unifying impedance calculation. 在交流电路中,有恒流源与恒压源两偶相对的理论,反映在计算上有导纳统一运算和阻抗统一运算两偶相对的方法。
Saber Emulation and Control of the Three-phase Induction Motor in Alternating Current Voltage Regulation Circuit 三相异步电机交流调压电路Saber仿真与控制
The alternating current was sent to the input end of the autotransformer and pressure-rise circuit after adjusting voltage. 交流电源送入自耦调压器输入端,调压后送至升压电路。
By analyzing the load characteristic and voltage characteristic of the alternating current circuit with zero resistance, it divides the running zone and the collapse zone of alternating current circuit. 通过分析不计电阻的交流电路临界电压崩溃时的负荷特性、电压特性,指出交流电路的工作域和崩溃域。
Because a complicated power system is composed of many simple branches and the operation region of a large-scale power system is composed of the intersection of the steady-state operational characteristics of each simple alternating current circuit. 由于一个复杂电力系统是由许多简单支路组成的,大型电力系统的运行域是由各简单交流电路的稳态运行特性的交集所构成。
It can generate a steady 380 V three phase alternating current through an AVR circuit, and can drive heavy electric tools such as polisher, air compressor and so on. 采用三次谐波励磁的同步发电机,通过AVR电路产生稳定的380V三相交流电,可以带动打磨机、空气压缩机等功率较大的电动工具;
The geometric analysis method is employed to solve equations set of alternating current circuit. 分析交流电路的临界电压崩溃运行点,在求解交流电路的方程组过程中,采用了几何分析方法。
The device's direct current and alternating current characteristic has also been simulated with the math calculation soft Matlab and the circuit emulator Pspice. 用Matlab数学计算软件和电路仿真软件Pspice对所设计的器件进行了直流特性和交流特性的模拟。
Demarcation of Single-Phase Alternating Current Circuit Instantaneous Reactive Power 单相交流电路瞬时无功功率的界定
Influence and Resolving Method of The Long Distance Control Cable in Alternating Current Measurement Circuit 长距离控制电缆对交流测量回路的影响及解决方法
The circuit of controlling synthesize power cupboard is half bridge controlling rectification circuit, whose input is alternating current form railway system. The output of rectification circuit passes the circuit consisting of a resistor and a capacitor, which is a voltage wave filter. 电源综合柜的主电路为半控桥式整流电路,输入为铁路系统的交流电压,其输出的整流电压经电抗器,电容滤波后,向蓄电池充电,并向机车控制电路供电。