摘要
对如何利用傅氏算法来求取正确的基波或某次谐波初相角方法分两种情况进行了研究,分析了原因,提出了改进办法,仿真试验证明效果良好·
Researches on extracting the correct origin phase angle of fundamental wave or harmonic in two cases, and analyses the cause of produce faults. Improved methods are given out. The simulation results show good effect.
关键词
傅氏算法
相角
基波
谐波
差分
FT
phase angle
fundamental wave
harmonic
difference
