Combined with the band-filter-based instantaneous harmonic detection method, a harmonicdetection system based on DFT(Discrete Fourier Transform) reconfiguration by 1/ 2 period is designed.

• 结合带通滤波器的瞬时谐波检测方法,设计了基于1/2周期重构离散傅里叶变换带通滤波器的谐波检测系统。