Variable frequency power, which has small size and light weight, played an important role in saving energy, frequency control and improving power quality.
变频电源自诞生以来，便以体积小、重量轻等特点，在节能、变频调速和改善电能质量方面起到了重要作用。
Purpose: Low frequency power amplifier.
用途： 用于低频放大。
Using variable frequency power, run more smoothly.
采用变频调速动力，运行更平稳。
The high frequency power amplifier outputs 40 Watts.
高频放大器输出功率40瓦。
Purpose: Audio frequency and high frequency power amplifier.
用途：用于音频、高频功率放大。
The concept of time - frequency power spectrum is introduced.
引出了时—频功率谱的概念。
PNP epitaxial silicon transistor. Low frequency power amplifier.
PNP外延硅晶体管。低频功率放大器。
It can also be used on other occasions needing low frequency power.
它也同样适合于其它需要低频电源的场合。
So study of high frequency power supply is delivered in this thesis.
因此本文针对高频电源进行了理论分析和实验研究。
Medium-frequency power supply has been widely used in industrial heating.
中频电源已广泛应用于加热领域。
Thyristor medium frequency power supply has been widely used in industrial heating.
晶闸管中频电源已广泛应用于工业加热领域。
A new thyristor medium-frequency power supply startup circuit is introduced in this article.
介绍一种新的晶闸管中频电源启动电路。
A series hybrid active power filter for aeronautical variety-frequency power grid is studied.
研究了一种适用于航空变频电网的串联混合有源电力滤波器。
In this paper, the failure analysis of a type of high frequency power transistor is introduced.
介绍了对某型号高频大功率晶体管进行的失效分析。
The design of the low-frequency power is the key factor to the control process of the mine lift.
在交流提升机的自动控制中，低频电源的设计是低频拖动控制的关键。
An inverter circuit for generating high frequency power is provided in the apparatus main body 4.
装置本体(4)设有可产生高频率电力的倒相电路。
Widely used in inverter power supply, air conditioners, frequency power supply, PC power supplies.
广泛用于逆变电源，空调器，中频电源，PC电源等。
The high frequency power supply involves the oscillator, the impedance matching and the power amplifier.
高频信号源包括振荡电路，阻抗匹配电路和功率放大电路。
The power FETs are more and more widely used in radio-frequency power amplification in all-solid state transmitter.
场效应功放管在全固态发射机的射频功放中应用得越来越广泛。
Silicon controlled static frequency convectors are used as medium frequency power source for this series of furnaces.
本系列电炉采用可控硅静止变频为中频电源进行感应加热。
The Raman and FTIR spectra show that the structure and composition of the films change with the radio-frequency power.
拉曼及傅里叶变换红外光谱分析显示，随着射频功率的改变，薄膜的结构和组分也随之变化。
The SA4828 used as SPWM signal generator controls the IPM via driver circuits to produce variable frequency power supply.
它以SA 4828作为SPWM信号发生器，经过驱动电路控制IPM模块，产生三相变频电源。
Now, a good variable frequency power requires for not only high steady state performance, but also fast dynamic response.
好的变频电源输出波形不但要具有高的稳态性能，还应有快的动态响应。
A new testing method of high frequency power magnetic component and its electrical circuit model of measurement is produced.
提出了高频功率磁元件测试新方法和实验电路模型，实现了磁元件模型各参量的确定及铜、铁损等效电阻的分离。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
Test bench through the use of Fengguang brand high-voltage variable frequency power supply to achieve the pump performance test function.
测试台通过采用风光牌高压变频电源实现了水泵性能测试功能。
A random resonance self-adaptive algorithm is stated and used for fault signal detection in medium frequency power supply with good result.
提出了一种随机共振自适应算法，并运用于中频电源故障信号检测，取得了较好的效果。
This thesis pays more attention to the drive circuit of high frequency power MOSFET, power regulation circuit and frequency-tracing circuit.
本文主要研究高频功率MOSFET的驱动电路、频率跟踪电路以及功率调节电路。
In AC electrical field, the stable homogeneous glow discharge will appear by using dielectric barrier layer and high-frequency power source.
在交流电场中，利用介质阻挡层和高频激励源，可获得稳定均匀的大气压下辉光放电。
In AC electrical field, the stable homogeneous glow discharge will appear by using dielectric barrier layer and high-frequency power source.
在交流电场中，利用介质阻挡层和高频激励源，可获得稳定均匀的大气压下辉光放电。
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