介绍了电压驱动型脉宽调制器件TL494的脉宽调制特性，并对其在半桥变换开关电源中的应用情况做了分析。
The pulse width modulation character of voltage drive -type pulse width modulator TL494 is introduced. The applicable situation of TL494 in semi -bridge alternate switch power is also analyzed.
他们发现p53基因不仅产生大家熟知的p53蛋白质，同时还产生一种p53蛋白质变换“控制开关”的变种——对碘氧基苯甲醚。
They found that the p53 gene makes not only the well-established p53 protein, but also an alternative "control switch" variation of the p53 protein - known as an isoform.
该文系统地讨论二极管工作在开关特性下所组成电路的频率变换的工作原理。
This paper tries to discuss the work principle of frequency transformation on the circuit where diodes work on on-off speciality.
本文给出了一种利用线性变换设计开关电容滤波器的新方法。
A new method for switched-capacitor filleter (SCF) realization by using the linear transformation techique is described.
通过对这种变换器的工作原理分析可知，主辅开关管都可以实现零电压或零电流开关，且电压、电流应力较小。
Through the operational principle it can be verified that all the switches are capable of achieving ZVS or ZCS condition, and the voltage and current stress are relatively low.
相对于降压式谐振开关电容变换器，升压式谐振开关电容变换器构成方式不同，潜电路发生条件也有较大区别。
Comparing to step-down resonant switched capacitor(RSC) converter, the composing principle of step-up RSC converter is different, so their sneak circuit conditions are not same.
本文着重研究了DC - DC开关变换器的分析和综合理论的一些主要问题。
ABSTRACT the theory of analysis and synthesis of DC-DC switching power converters are studied in this dissertation.
硬开关和准谐振反激变换器之间的差异在于一次侧开关的开启时间点。
The difference between a hard switching and quasi resonant flyback converter is the turn on time point of the primary switch.
半导体光放大器（SOA）的非线性特性在光开关、波长变换、光逻辑运算中有重要的应用。
The nonlinear characteristics of semiconductor optical amplifier (SOA) have important applications for the all-optical switching, wavelength conversion, and optical logic gate.
电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。
The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.
文章研究了一种新型单级单开关PF C反激变换器。
This study presents a new single - stage single - switch PFC flyback DC converter.
尤其适合以igbt作为主功率开关管的高电压、大功率功率变换，具有广泛的应用前景和巨大的经济价值。
So this novel converter has a wide application and huge economy effect in power converting field, especially in the high voltage and high power feild where IGBT is used as the main switch.
介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
DC变换器是开关电源的核心部分，有着极其丰富的动力学行为。
DC-DC converters are the kernel parts in the switching power supplies. There are abundant dynamical behaviors in them.
开关是微波信号变换的关键元件。
主要论述了基于四电平功率变换电路的开关磁阻电机直接瞬时转矩控制。
In this paper, a direct instantaneous torque control (DITC) of switched reluctance motor (SRM) with a four-level converter is presented.
介绍提高我国弧焊逆变电源可靠性的途径以及零电压、零电流软开关变换研究现状。
Ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.
开关变换器能够将一种直流电能转换成另一种或多种直流电能，是直流开关电源的主要组成部分。
Switching converter may translate one kind of DC electric power into another or more one, and is the main part of DC switching power supply.
实验结果证明了提出的技术能有效降低开关变换器的谐波峰值和应用于开关变换器的可行性。
The experimental results have confirmed the advantage of the proposed method and its applicability for switching converters.
具有零电流开关特性的谐振开关电容变换器是开关电容变换器的一种新拓扑形式。
The resonant switched capacitor(RSC) converter with zero-current switching(ZCS) is a new topology of switched capacitor converter.
软开关技术能够有效改善功率开关管的工作环境，降低开关损耗，提高变换器的效率。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
该变换器中的开关管实现了在零电压下关断，而且其中两个开关管在零电流零电压下开通。
All switches are turned off with zero voltage switching, and the two switches of them are turned on with zero current and zero voltage switching.
讨论了基于双电压控制的矩阵变换器的开关状态及控制函数，提出了原点开关概念和开关状态控制函数表。
The switch state and control function of Matrix Convetter based on two-voltage control technique is researched, Source key is presented, and the control table of switch state is given.
本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器，其中开关管的电压应力为输入电压。
This paper presents a novel zero voltage and zero current switching (ZCS) PWM push pull three level converter in which the voltage stress of switches is input voltage.
DC开关变换器的建模分析是研究开关电源的基础，对开关电源的分析与设计具有重要意义。
Modeling analysis DC-DC switching converters is the key step to study, analyze and design switching power supplies.
本文提出了一种用双线性变换进行开关电流(SI)梯形滤波器设计的方法。
A design method of switched-current (si) ladder filters using the bilinear transformation is proposed.
对反激变换器的各种开关应力抑制技术进行了分析研究，指出了它们各自的优缺点和应用场合。
This paper analyzes and studies on the switch stress suppression techniques of flyback converters, points out the advantages, disadvantages and application of the techniques.
根据电感上电流的断续情况，开关变换器可以工作在连续导电模式（CCM）和断续导电模式（DCM）。
The switch convertor can work in continuous current mode(CCM) or discontinuous current mode(DCM) according to the current through the inductance.
根据电感上电流的断续情况，开关变换器可以工作在连续导电模式（CCM）和断续导电模式（DCM）。
The switch convertor can work in continuous current mode(CCM) or discontinuous current mode(DCM) according to the current through the inductance.
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