This deviation from perfect sinusoids is usually expressed in terms of harmonics distortion of the voltage and current waveforms.
这种偏离完全正弦的畸变称为电压、电流波形的谐波畸变。Simulation shows that this controller can reduce the total harmonic distortion of source current and stabilize the DC-link voltage.
从计算机仿真可以看出，该控制器能减小电源电流的谐波畸变率，并能稳定直流侧电压。Cutting out harsh high frequency harmonics seems to be one of the underlying principles of the TS series.
切出苛刻高频谐波似乎是基本原则之一的TS系列。Materials and Methods: Images obtained with NTHI from 64 patients were compared with that of fundamental imaging(FI)technique.
材料和方法：采用自然组织谐波成像与基波成像（FI）对64例患者的颈动脉硬化斑块进行对比分析。The continuous wavelet transform (CWT) has been used to measure harmonics due to its excellent time-frequency character.
连续小波变换（CWT）因其良好的时频局部化特性，可用来分析谐波。And I couldn't be happier, because this tells me that the motion is that of a simple harmonic oscillation.
我们很高兴地发现，这个告诉我们，这个运动，是个简单谐波运动。Travel with me to the Pyramid of the Feminine, She who now returns to planet Earth to express herself in the light harmonics of creation.
同我一起旅行到女性金字塔里，现在她返回到行星地球以创造的光谐波去表达自己。This paper presents the heat conventional spinning forming process used for semi finished flexspline products of closed harmonic gear drive.
针对封闭谐波齿轮传动柔轮毛坯，提出采用热普旋-强旋新工艺方案。Actual work results indicate that the sort of mixed active power filter system has good restraining effect.
实际运行结果表明，该系统对矿井谐波的抑制达到很好的效果。