电路

At last, we show the effectiveness and the applicability of the improved snubber circuit through theoretical analysis and circuit simulation.

最后，通过理论分析和电路仿真，验证了改进型吸收电路的有效性和适用性。

Based on the analysis of some configurations of the lossless snubber circuit, a lossless snubber circuit topology is proposed, corresponding theoretical analysis, simulation and experiment on IGBT is carried out.

在对已有的无损耗缓冲电路分析基础上提出了一种适用于IGBT的谐振无损耗缓冲电路的拓扑结构，并进行了理论分析和实验研究。

What's more, the typical application circuit of UC3843 has been simplified , especially the feedback, compensation circuit and the snubber circuit.

此外，还对UC3843典型运用电路进行了简化修改，特别是反馈补偿电路以及吸收回路。

With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

The Domistic Ballast and the Life of Compact Fluorescent Lamps;2. With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

From LS method and singularity theory GS normal form of the circuit bifurcation solution is obtained, and that noly one circuit solution curve exists near bifurcation point is proved.

利用LS约化方法和奇异性理论，导出了非线性电路解分岔的GS范式，证明了电路转折分岔解附近只有唯一一条解曲线。

He used an oscillating circuit containing a spark gap as a generator, and a similar circuit as a detector.

他利用一个振荡电路，其中包括一个电花隙作为发生器，并用另一个相似的电路作为探测器。

Oscillation modulation circuit which can provide the signal carrier with stable frequency is the key point in the subject.

本课题重点在于设计能给发射机电路提供稳定频率的振荡调制电路。

MATLAB language is used to develop the computer simulation program by means of the dynamic mathematical model of three - phase induction motors in phase quantities, The program is applied to series asymmetrical resistance starting operation process of three - phase cage - type induction motors in one phases or two phases of the stator circuit.

为了得到起动特性，根据三相异步电动机在相坐标系下的瞬态数学模型，编写计算机仿真程序，通过实例对三相笼型异步电动机的定子电路一相串联电阻以及两相串联电阻时的起动过程进行仿真计算，对仿真结果进行比较分析；用对称分量法分析定子电路一相串联电阻以及两相串联电阻时的不对称系统，初步计算起动电阻的数值，然后通过计算机仿真的调整来较准确地加以确定。

A kind of starting circuit for small power electro nic ballasts is proposed. It can provide sufficiently high starting voltage for the lamp's start.

摘 要：设计了一种小功率电子镇流器起动电路，该起动电路在起动时，能为灯提供足够的起动电压将灯点亮。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。