基于ZoomFFT和多谱线插值算法的谐波分析方法*
|
|
朱坤, 陈乐柱, 许胜, 史琛筠
|
Harmonic Analysis Method Based on ZoomFFT and Multispectral Interpolation Algorithm
|
|
ZHU Kun, CHEN Lezhu, XU Sheng, SHI Chenjun
|
|
表4 基于Blackman-Harris窗四谱线插值算法仿真结果数据
|
| |
|
| 信号分量 | 频率f/Hz | 幅值U/V | 初相位φ/(°) | | X1 | 50.001 2 | 80.011 5 | 0.010 7 | | X2 | — | — | — | | X3 | 54.989 5 | 15.385 5 | 9.993 1 | | X4 | 99.998 9 | 19.998 0 | 29.996 9 | | X5 | 104.997 8 | 9.995 3 | 59.993 2 | | X6 | 149.998 9 | 49.998 8 | 149.998 8 | | X7 | 151.984 9 | 14.298 8 | -19.002 3 | | X8 | 199.998 5 | 14.978 2 | 29.991 2 | | X9 | 249.999 2 | 19.998 9 | -49.998 8 |
|
|
|