查询词典 flyback retrace

It is also unwise to take any new action regarding your career now. As Mars retrogrades between now and mid-March, you are best to retrace your steps, and to take a break so that you can figure out what you want and what actions will help you to achieve your goals.

目前事业方面采取新动作也并不明智，因为火星逆行于现在到明年3月中这段时间，所以你最好休息一下，作些回顾，想好自己究竟想要什么，以及如何行动才能达成目标。

The surely night wind rustles through the wood, and warns us to retrace our steps, while the sun goes down behind the thickening storm, and birds seek their roosts, and cattle their stalls.

夜里风呼啸着刮过树林，它似乎是警告我们停止脚步，此时太阳也被浓重的风暴遮挡，鸟儿归巢，牛儿进栏。

Let begones be begones,never retrace,as to the future,we should face it when it comes,don' t walking dream,we just need to seize upon nowadays,do what we should do in our present ideal

过去的，让它过去，永远不要回顾，未来的，等来了时再说，不要空想；我们只抓住了现在，用我们现在的理想，做我们所应该做的。

So the proposed ZVT-PWM flyback dc/dc converter does not increase active or passive clamper circuit to suppress the switch voltage stress and can reduce switch loss to promote the efficiency of the circuit.

文中详细说明电路之操作原理并推导各个工作模式下的等效电路及转换器设计方法。

Analyzed with single power factor correction flyback switching power supply of their working principle, advantages and disadvantages.

分析了带功率因数校正的单片反激式开关电源的其本工作原理，优缺点。

Two-Transistor Flyback Converter can reduce greatly the switching stress of the power switch and does not need to degausser, suitable for high input voltage Switching Power Supply.

经半个多世纪的发展，开关电源因其具有体积小、重量轻、效率高、发热量低、性能稳定等优点，已经逐渐取代了传统的线性稳压电源。

This paper develops a high-frequency welding power source with double-ended flyback topology.based on SG3525 a new type of control program is designed which with controlled pulse energy output characteristics, pulse width and frequency can be controlled, to control output energy.

本文给出一种基于双端反激式主电路拓扑和SG3525 PWM控制芯片，研制了一台高频脉冲能量可控式焊接电源，该电源通过对输出电流的脉宽和频率单独控制，从而控制输出能量。

Winding eddy current loss of the transformer in flyback converter is one of the research focus in winding techniques of high-frequency power magnetic components.

反激变换器的变压器线圈涡流损耗为高频功率磁元件线圈技术的研究热点之一。

Because of Flyback topology have many strongpoint structure simplicity、required fewness component、debugging convenience and so on.

这主要是因为反激式拓扑的结构简单、所需的元器件少、调试方便等优点。

By the deep analysis on winding eddy current loss mechanism of the transformer in forward-flyback converter, a new idea is proposed that the magnetic field in winding window of the transformer can be considered as the combination of the two components, that is, transformer field component and inductor field component. The orthogonal characteristics of the two magnetic field components in CCM are further revealed.

通过深入研究正反激变换器中的变压器线圈涡流损耗机制，指出其线圈窗口磁场可分离为变压器特性的磁场和电感器特性的磁场，证明了连续导通模式时上述两种特性磁场为正交的，进而提出一新型线圈损耗解析建模方法，新方法可以有效提高模型精度。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。