基于ZoomFFT和多谱线插值算法的谐波分析方法*
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朱坤, 陈乐柱, 许胜, 史琛筠
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Harmonic Analysis Method Based on ZoomFFT and Multispectral Interpolation Algorithm
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ZHU Kun, CHEN Lezhu, XU Sheng, SHI Chenjun
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表3 改进型方法仿真结果数据
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| 信号分量 | 频率f/Hz | 幅值U/V | 初相位φ/(°) | | X1 | 50.000 5 | 80.001 0 | 0.000 8 | | X 2 | 51.001 2 | 20.000 6 | 0.000 5 | | X 3 | 55.000 5 | 16.000 5 | 10.000 9 | | X 4 | 100.001 1 | 20.000 6 | 30.000 8 | | X 5 | 105.000 0 | 10.000 3 | 60.000 6 | | X 6 | 149.999 9 | 49.999 5 | 149.999 1 | | X 7 | 151.999 8 | 14.999 5 | -19.999 2 | | X 8 | 200.000 0 | 15.000 6 | 30.000 9 | | X 9 | 250.000 0 | 20.000 6 | -50.000 5 |
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