From: A new measurement algorithm for PMU in power system based on all-phase Fourier transform
Real value | Windowed FFT | Double-window apFFT | |
---|---|---|---|
k = 100 | 90° | 161.7187408919° | 89.9999999999° |
k = 60 | 50° | 85.8592933936° | 50.0000000006° |
k = 20 | 10° | 9.9997939384° | 10.0000000006° |