采用快速傅立叶变换(FFT)进行电力系统谐波分析时，需要对采样信号截断并离散化，从而导致频谱泄漏和栅栏效应。
Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.
用快速离散傅立叶变换(FFT)的方法确定均衡器的初始抽头系数，它区别于目前常用的迭代算法。
Employing the Fast Fourier Transform Algorithm (FFT) to determine the initial tap coefficients of equalizers is fundamentally different from using the current iteration method.
戈泽尔算法是离散傅立叶变换的一种快速算法。
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