文件名称:STC_FFT
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快速傅里叶变换法（FFT）是离散傅立叶变换的一种快速计算方法，它能使N点DFT的乘法计算量由N2 次降为 次。下图是采样点数为8点FFT时间抽取算法信号流图，本程序也是以这种形式设计的。-Fast Fourier Transform (FFT) is a fast computational method for discrete Fourier transforms that can reduce the multiplication of N-point DFT by N2 times. The following figure is the sampling point of 8 points FFT time extraction algorithm signal flow diagram, the program is also designed in this form.
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STC_FFT.c