Fast Fourier Transmission in Matlab

fft的matlab编程实现，能够进行2的整数次幂的点数的fft运算，采用基2算法-fft in matlab programming, can be integral power of 2 points in the fft computation algorithm using radix-2

使用matlab编写fft算法，主要使用外中内三层循环，把时域的信号序列转化为频域的信号-Prepared using matlab fft algorithm, outside the three cycles, the time-domain signal sequence into the frequency domain signal