查询词典 single phase

Based on the electromagnetic induction law, Biot-Savart law and the numerical integration arithmetic, the vector potential of the busbar was calculated and the electromotive force of the planar coil for the single phase and three-phase busbar current was deduced.

根据电磁感应定律和毕奥-萨伐尔定律，运用数值积分算法，求解出汇流排导体矢量磁位，并推导了测量单相和三相汇流排导体电流时直线型线圈的输出表达式。

A balance circuit is given for great power single phase load through analyzing and calculating three phase circuit .

通过对三相电路的分析、计算，介绍了一种大功率单相负载的平衡电路，从而为船电中常见的由大功率单相负载而引起三相电的不平衡问题，找到了一种有效的解决方法。

A fast and accurate estimation technique of initial phase of single-tone signal based on the phase of discrete Fourier transforms spectrum was proposed.

提出一种基于DFT频谱相位信息的正弦波初相高精度估计方法。

As EFCI switch is considered, flaw of existing two-phase analysis model is pointed out, and four-phase single bottleneck simple model is advanced. With this model, the effect caused by typical control parameters is studied and analyzed. As more indepth research, the double bottleneck complex model is further brought forward.

就EFCI型交换机而言，论文指出了已有的两阶段分析模型存在的缺陷，并提出了改进的四阶段单瓶颈简单分析模型，利用它分析和讨论了各个控制参数对流控过程产生的影响。

What this paper finished mainly work as follows: Five-phase hybrid step motor driver system with fixed-chopping frequency and constant total current driving is fully described. Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established. The steady modeling of the system is established and studied. Based on the steady modeling of the system, dynamic modeling of the system is studied and single step response characteristic is constructed with MATLAB/Simulink. The simulation results, which is certified by the theory analysis, coincide with the theory analysis.

本文主要完成的工作包括几个方面：对五相混合式步进电动机恒频斩波恒总流驱动系统进行了完整的描述；建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；基于MATLAB/Simulink建立了恒频斩波恒总流驱动系统稳态仿真模型，并进行了仿真；在建立其稳态仿真模型的基础上，对动态模型进行研究，并借助于MATLAB/Simulink工具建立了恒频斩波恒总流驱动系统单步响应特性的仿真模型并对其单步响应特性进行了仿真研究，仿真结果与理论分析相符。

According to Bessel function and Fourier series theory, generation, magnitude and distribution of voltage harmonic generated by single-phase two-level SPWM inverter and three-phase SPWM inverter are analyzed and calculated particularity and concretely in allusion to inverter-motor system.

然后针对逆变器-电动机系统，利用贝塞尔函数和傅里叶级数理论，分别对单相二阶SPWM逆变器和三相SPWM逆变器的输出电压谐波的产生、大小和分布进行了细致而具体的分析和计算。

A rapid and precise algorithm without phase unwrapping for phase retrieval from a single carrier-frequency fringe pattern is proposed.

针对单幅载频变形条纹图的相位重构问题，提出了一种快速、高精度和免解包裹的相位恢复新算法。

Jet Pump; Oil Well; Sand Discharging; Basic Characteristics; Dimension; Efficiency; Influence Factors; Single-Phase Flow; Two-Phase Flow; Numerical Simulation; Hydropathic Transportation; Experimental Research; Software Development; Engineering Application

射流泵；油井；排砂；基本特性；最纲；效率；影响因素；单相流；两相流；水力输送；液固两相流；数值模拟；实验研究；软件开发；工程应用

This paper points out the method of successful demonstration experiment by analyzing the experiment elements of LC oscillator, Lenz's Law, self inductance phenomenon, single phase AC and three phase AC characteristic.

从分析实验原理出发指出使LC振荡、楞次定律、自感现象、单相和三相交流电特性等实验容易演示成功的方法。

An equivalent circuit model of three phase power cables is discussedhere, and it is used to do transient-state analysis of low-resistance groundingsystems, in which the single phase grounding fault occurs.

论文分析了电力电缆的多相链接π型等值电路，构建出三相水平排列的单芯同轴电缆的等效模型，并在进行系统单相接地短路故障的暂态分析中加以应用。

Some of them were ligated to the plasmid vector pCR 2.1 andsequenced,respectively.

将所获DNA片段克隆到pCR2.1载体进行测序，并与基因组数据库进行同源性比较。

Thinking since Google owns Blogger, I would be able to escalate this issue to the support team.

自谷歌的思考拥有Blogger的，我将能够缓解这一问题的支持团队。