本文介绍一种开关式高频脉冲tig焊电源。
A type of switched HF pulse TIG welding power source is introduced in this paper.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
High frequency pulse width modulation power control systems can be realized using semiconductor switches.
针对电磁超声实验对脉冲电源的需求，研制了一种高频脉冲电源。
A kind of high frequency pulse electrical source at the need of electromagnetic ultrasonic experiments is presented.
高频脉冲电流加工及光整加工技术能提高零件的加工精度和表面质量。
High frequency pulse current machining and fine finishing can improve parts' machining accuracy and surface quality.
从理论和实践上探讨了弧焊逆变器的高频脉冲功率变压器的优化设计。
This pape studies the optimum design theory and practice of hight frequency high-power pulse transformer of arc welding inverter.
首先介绍了作者开发的可用于80K及以下温区的高频脉冲管制冷机。
In the paper, the high frequency pulse tube coolers (PTCs) developed for 80 K and below temperature application are introduced.
这就需要一个高频脉冲电源对真空炉的两个电极施加一定频率的电压场。
The voltage force at a certain frequency, which is generated from a high frequency pulse power supply, is enforced to the two electrodes of the vacuum stove.
计算机是靠高频脉冲电路工作的，由于电磁场的变化，必然要向外辐射电磁波。
Due to the change in electromagnetic field, computers unavoidably will radiate electromagnetic waves, which will carry the information in the computers.
高频脉冲信号可能与回声定位有关，而低频连续信号可能与通信和情感表达有关。
High frequency pulsed sounds might be used for echolocation, and low frequency time continuous signals related with communication and emotive state expression.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase-shifting control strategy are proposed and deeply investigated.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase shifting control strategy are proposed and deeply investigated in this paper.
该文深入分析研究了高频脉冲交流环节逆变器稳态原理特性与单极性移相控制策略。
The steady principle of the inverter with a high frequency pulse AC link and the unipolarity phase shifting control strategy are investigated.
磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。
The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
本文采用数值模拟和实验研究的方法对高频脉冲管制冷机的重力特性进行了对比研究。
Experiment investigation on multi-bypass and fixed phase shifter comparison in single-stage high frequency pulse tube cryocooler;
实验结果表明，这种高频脉冲电源在高频、窄脉宽、大功率等方面均能满足该工艺的要求。
The result has dedicated that it could satisfy the process of PECM in high frequency, narrow pulse width and high-power.
实验结果表明，在高频脉冲电流作用下铸铁石墨片细化，石墨片变得卷曲，共晶团尺寸减小。
The results show that high frequency pulse electric current can refine and crinkle graphite flake, decrease the dimension of eutectic cell.
介绍了基于AT89C2051的高频脉冲电源的结构和组成部分以及脉冲电源的调试过程。
This paper introduces structure and component of the high frequency pulsed power supply on AT89C2051. At the same time, it describes the method of debugging of the high frequency pulsed power supply.
对放电高频脉冲检测原理的装置进行了分析，并在重庆电力公司江津供电局工程中进行了应用。
This paper will analyze the discharge high-frequency pulse theory and its application in JiangJin Power Supply Bureau's project.
线性压缩机、回热器、脉冲管以及惯性管的耦合特性对高频脉冲管制冷机的整机性能有很大的影响。
Matching characteristics among linear compressor, regenerator, pulse tube and inertance tube have large impact on the performance of high frequency pulse tube cryocooler.
因此设计新型高频脉冲led驱动电路，采用高效率的限流措施，显著提高LED驱动电路的效率。
So we design new type high frequency impulse LED driving circuit using high-efficiency current-limiting technique, which increase the efficiency of LED driving circuit obviously.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源，提高了钎缝质量和产品的可靠性。
Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.
小电子盒子是钓起了紧挨着一个油罐车的电池，发出高频脉冲通过其智能化电池以抵消模糊脉冲的电池的可用率。
The small electronic box is hooked up next to a car's battery and sends out high frequency pulses to the battery through its Intelligent Fuzzy Pulser to counteract the battery's sulfation rate.
本研究设计了一种超声频脉冲等离子切割电弧发生系统，并通过实际切割试验，测试、分析了这种高频脉冲电弧的振动特性。
This study designed a system to generate ultrasonic-frequency pulsed plasma cutting arc, and experimentally investigated the vibration characteristics of the high frequency pulsed arc.
单级高频脉冲管制冷机直接降低到20K以下温区存在很大困难，采用多级方案是高频脉冲管制冷机获得更低温度的主要方法。
Use single stage version to reach the temperature of 20 K is a difficulty for high frequency pulse tube cooler (PTC). Multi-stage version is a popular method to reach the low temperature.
结合数字合成脉冲的技术特点及信号特征，提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。
Considering the characteristics of digital-synthesis technology and pulse signal, this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier.
三个接收天线（接收闪电放电辐射的超高频脉冲）分别放在一个垂直边长为120米的直角等腰三角形的顶点，由到达天线的时间差来计算接收到的闪电脉冲的方向。
The three antennas which receive VHF impulses emitted by a lightning discharge are placed on the vertices of a right-angled isosceles triangle with perpendicular sides 120 meters in length.
它们的工作原理是通过发出高频声波脉冲并将反馈的信息转变成图像，为了实现这一过程，你还需要一个叫做变频器的设备。
They work by sending out pulses of high-frequency sound and then interpreting the reflections as images. To do all this, though, you need a device called a transducer.
它们的工作原理是通过发出高频声波脉冲并将反馈的信息转变成图像，为了实现这一过程，你还需要一个叫做变频器的设备。
They work by sending out pulses of high-frequency sound and then interpreting the reflections as images.To do all this, though, you need a device called a transducer.
它们的工作原理是通过发出高频声波脉冲并将反馈的信息转变成图像，为了实现这一过程，你还需要一个叫做变频器的设备。
They work by sending out pulses of high-frequency sound and then interpreting the reflections as images.To do all this, though, you need a device called a transducer.
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