The Fast Fourier Transform (FFT) is one of the most important algorithm of real-time signal processing. It's widely used in EW receivers.
FFT 是电子战接收机信号处理的关键算法之一，在数字EW 接收机中有着广泛的应用前景。
The mathematical means of discrete Fast Fourier Transform is used in signal processing.
采用快速离散富里叶变换处理信号；
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.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
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