用K60单片机对得到的数据先进行到位运算(使用雷德算法)，得到FFT运算时需要的数据顺序，然后进行蝶形运算，并将结果进行保存-K60 microcontroller on the data obtained by the first operation carried out in place (with Reid algorithm), data is sequentially obtained when required FFT computation, then butterfly, and the results were saved