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。
Compared with the traditional method, Chirp-Z algorithm eliminates the leakage error caused by not-enough-point sampling, improves the precision of calculation and decreases the computing time.
通过只在窄带内密集抽样的方法，和传统方法比较，线性调频Z变换算法可以减少由于不足点采样而造成的频谱泄漏，改善计算精度并减少运算时间。
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