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[SCM] armok01167658 DL : 0: 最近用Mega128写了一个128点FFT程序，浮点运算，加汉宁窗。由于窗函数和旋转因子通过查表得到，所以速度还可以，程序中给的初值是通过高速AD采集的20KHz正弦信号。计算结果与Matlab的FFT函数得到的结果相同。 -Mega128 recently wrote a 128-point FFT procedures, floating-point operations, Hanning window. Since the window function and the twiddle factor look-up table has been adopted, so the speed can also be, the initial value to the process through high-speed AD collected 20KHz sinusoidal signal. The calculation results with the Matlab
Date : 2026-01-23 Size : 20kb User : dfsdf
[SCM] FFT DL : 0: FFT子程序，用于AVR单片机上，为7级128点的FFT-FFT Subroutine for AVR Single Chip, for the seven 128-point FFT
Date : 2026-01-23 Size : 1kb User : 张海增
[SCM] meag128-128fft DL : 0: mega128 fft 128点算法程序非常易于移植最大程度方便您的使用-mega128 fft 128-point algorithm is very easy to transplant to maximize your convenience
Date : 2026-01-23 Size : 20kb User : mark