This algorithm will improve the waveform quality and raise the detection accuracy of the EMAT system.
算法在改善电磁超声系统数据波形质量、提高系统的检测准确性方面具有一定参考作用。
The cut-off frequency of improved inverter output filter can be set higher to ensure the bandwidth of control system and improve the waveform quality of inverter output voltage.
改进后逆变器输出滤波器的截止频率可以取较高值，保证足够的控制系统带宽，有效提高逆变器输出电压波形质量。
Generally, the key factor which determines the output waveform quality and dynamic characteristics of UPS inverter are what kind of control method is selected and how the control law is implemented.
采用控制和实现方法是决定UPS逆变器输出波形质量和动态性能的主要因素。
The CVCF-SPWM inverter is the core of a UPS system which required high quality output voltage waveform.
SPWM逆变器是UPS系统的核心部件，要求它具有高质量的输出电压波形。
The fine effect was gained to improve welding quality of a certain spaceflight igniter by the intelligent spot welding machine with waveform control.
研制的波形控制智能型电阻电焊机在提高某航天火工品的焊接质量方面取得了良好的效果。
Based on index number of power quality this system can supply foundation for the whole system action and improve current waveform.
该系统可以根据电能质量指数，为整体系统动作提供依据，改善电流波形。
This paper sates that selecting bellows material correctly, designing waveform parameter and fatigue life, ensuring installation quality can improve the safety and reliability of bellows compensator.
通过正确地选择波纹管制作材料和结构、合理设计波形参数和疲劳寿命、保证安装质量等措施，可提高波纹管补偿器的安全可靠性。
The STATCOM based on the multi-level converter technology becomes a trend with fast dynamic response, extensive range of regulation, smaller volume, and high quality waveform of compensating current.
基于电力电子逆变技术的静止同步无功补偿器（STATCOM）具有动态响应速度快、调节范围广、装置体积小、补偿电流波形品质高等优点，成为无功补偿的发展趋势。
The power conditioning system of a fuel cell power plant is very important to the reliability and efficiency of the power plant system as well as to the quality of the output waveform.
燃料电池电站功率调节系统对整个电站系统工作的可靠性、效率和输出波形质量有很重要的影响。
Because of the great influence of current waveform on micro-device quality, the effect of negative current on surface finishing was studied theoretically.
由于电流波形对微电铸器件的质量有很大影响，本文从理论上分析了负向脉冲电流对铸层均匀性的改善作用。
The improvement of no-load voltage waveform is an important problem for design optimization of generators and ensuring the quality of electric power.
改善空载电压波形是发电机优化设计、保证电能质量的重要问题。
The final analysis proved that a phase-shifting surge SPWM optimal control of the inverter, a simple control circuit, in the phase shift smaller, better quality waveform.
最后分析证明了采用移相调压最优SPWM控制的逆变器，控制电路简单，在移相角较小时，波形质量较好。
The parameters of heating rate, energy, current waveform and time should be controlled precisely in order to insure the quality of minisize piece spot welding.
为了确保微型件点焊质量，往往需要对点焊过程的加热速度、能量、电流波形、时间等参数进行精密控制。
In digital microwave communication mode, the waveform distortions caused by frequency-selective fading are the main cause of the propagation quality deterioration.
在数字微波通信方式中，频率选择性衰落引起的波形失真成为传输质量恶化的主要原因，但没有统一的评价方法。
The knowledge about the elastic wave dynamic characteristics such as waveform, amplitude, frequency and attenuation (Qp, quality value) is very limited.
在弹性波动力学特征如波形、振幅、频率及衰减等方面研究薄弱。
This scheme can achieve the satisfactory static and dynamic response, and can be used in occasion of high quality voltage waveform.
此方案可使逆变电源输出电压波形兼具良好的稳态和暂态特性，可用于逆变电源输出波形质量要求较高的场合。
The invention discloses an electric arc stud welding waveform testing device and a quality evaluating method thereof.
本发明公开了一种电弧螺柱焊波形检测装置及其质量评价方法。
Inverter is the core of UPS and is required to have high quality output waveform.
而逆变器是整个不间断电源系统的核心，必须具有输出高质量电压波形的能力。
Through the experiments of the different current waveform, the results show that the current waveform control is an effective method to improve the quality of the weld formation.
通过对不同电流波形的实验研究，结果表明采用电流波形控制可以有效地改善焊缝成形。
The power conditioning system of a fuel cell power plant is very important to the reliability and efficiency of the power plant system as well as to the quality of the output waveform.
某新型研究堆采用新型燃料元件和堆芯结构，反应堆的控制特性缺乏基本数据，功率调节系统的设计无可借鉴经验。
The power conditioning system of a fuel cell power plant is very important to the reliability and efficiency of the power plant system as well as to the quality of the output waveform.
某新型研究堆采用新型燃料元件和堆芯结构，反应堆的控制特性缺乏基本数据，功率调节系统的设计无可借鉴经验。
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