The algorithm of interpolation of hanning Windows FFT reduce the spectral leakage error and the interference between harmonics.
加窗插值fft算法减小了频谱泄漏误差和降低了谐波之间的相互干扰的影响。
Through simple transforms of FFT algorithm, the amending algorithm can reduce satisfactorily the leakage error, and obtain accurate analysis results.
该算法通过对FFT算法做简单变换，减小了频谱泄漏误差，降低了谐波之间的相互干扰。
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。
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