negative frequency component
... radio-frequency component 高频成分 zero frequency component 直林量 negative frequency component 负频分量 ...
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采用加矩形窗fft插值算法,谐波的负频分量对谐波计算的误差影响较大。
For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.
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