• 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离散化,从而导致频谱泄漏栅栏效应

    Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.

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  • 快速离散傅立叶变换(FFT)方法确定均衡器初始抽头系数,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.

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  • 戈泽尔算法离散傅立叶变换一种快速算法。

    Goertzel algorithm is a fast algorithm of DFT.

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  • 数字信号处理标准频谱分析方法离散傅立叶变换DFT),典型实现方法快速傅立叶变换FFT)。

    The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.

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  • 离散傅立叶变换方法能够DSP平台上通过FFT快速实现循环相关方法则具有很高频率估计精度很好的性能

    DFT method can be fast implemented on DSP platform by the use of FFT algorithm, while the method of cyclic correlation has better noise immunity performance and high estimation accuracy.

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  • 本文首先傅立叶变换性质做了详细介绍其中包括离散里叶变换快速傅立叶变换FFT以及基-2按时间抽取(DIT)的FFT算法;

    Firstly , the properties of Fourier Transform, including discrete Fourier Transform, FFT and based-2 DIT FFT, are introduced in this paper;

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  • 本文首先傅立叶变换性质做了详细介绍其中包括离散里叶变换快速傅立叶变换FFT以及基-2按时间抽取(DIT)的FFT算法;

    Firstly , the properties of Fourier Transform, including discrete Fourier Transform, FFT and based-2 DIT FFT, are introduced in this paper;

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