The discrete Fourier Transform of the variables is computed with the FFT of fixed points.
求变数的离散富氏变换用固定点数的FFT，节省了计算时间。
The Discrete Fourier Transform (DFT) plays an important role in digital signal processing and many other fields.
离散傅里叶变换（DFT）在数字信号处理等许多领域中起着重要作用。
The discrete Fourier transform (DFT) and discrete Hartley transform (DHT) can be considered as special cases of DYT.
常用的离散傅里叶变换(DFT)、离散哈特莱变换(DHT)均可视为DYT的特例。
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