An adaptive sampling frequency tracking algorithm which adapt to realization of precise real time harmonic analysis is introduced.

提出了一种适于高精度实时电力谐波分析的自适应调整采样频率的电网频率跟踪算法。

youdao

If the time harmonic source is assumed to be constant voltage, the summed pulse propagation is the impulse response along the line.

若各频率成份之电源为定电压，则所得时域脉波即脉冲电压源在传输线上之脉冲响应。

youdao

Active Power Filter (APF) is a good method for real-time harmonic elimination which has been developed since 1980's. The study on APF has become a hot research field.

有源电力滤波器(APF)是80年代以来兴起的性能较好的谐波抑制装置，是比较热门的研究领域。

youdao

At that time he invented what he called his "harmonic telegraph."

VOA: special.2010.05.14

And in any case, with time, the personality of my harmonic style will become evident.

WSJ: Francis Poulenc | More Than Almost Great | Sightings by Terry Teachout

In a tonal composition, harmonic movement is the "plot" that propels the listener through time.

WSJ: The Seductive Lure of Abstraction | Sightings by Terry Teachout