数字信号处理，快速傅里叶变换，基2-DIT-FFT.很好用！-Digital signal processing, fast Fourier transform, the base 2-DIT-FFT. Good use!

编写matlab程序，完成输入倒位序，输出自然顺序，按照时间抽选的基2－FFT算法程序的编写-Write matlab program, complete inversion input sequence, the output of natural order, in accordance with the time selected 2-FFT-algorithm procedures for the preparation