这是一个简单的，基于51单片机的FFT运算程序。使用AD采集,做了64个点的FFT，可以使用两块简单的点阵屏来观看效果。-This is a simple, based on 51 single chip FFT arithmetic program. Use AD collection, made 64 point FFT, can use two pieces of simple lattice screen to see effect.

51单片机，信号分析，FFT,8位单片机进行信号分析的尝试-51, signal analysis, FFT, 8-bit microcontroller attempt to signal analysis