The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function. The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively. The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.

Filename	Size	Update
fft作业\in.mat	1219	2019-03-20
fft作业\un.mat	1165	2019-03-20
fft作业\un1.m	852	2019-03-20
fft作业\un2.m	633	2019-03-20
fft作业\un3.m	514	2019-03-20
fft作业\补充习题一.docx	104366	2019-03-20
fft作业	0	2019-03-28

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