2点的碟形算法，其中包含了旋转因子乘法器，这是一种高效的复数乘法器.-2point dish method, which includes the rotation factor multiplier, which is a highly efficient complex multipliers.

基2FFT蝶形运算器，代码有仿真用数据。主代码用于仿真，碟形运算和复数乘法元件化-Based 2FFT butterfly, code with simulation data used. Master code for simulation, dish components of computing and complex multiplication

FFT中 旋转因子8位复数乘法的VHDL程序，3次实数乘法和3次加减法运算，-FFT twiddle factor of the VHDL program, 3 times real multiplication and subtraction 3

4位的16点fft，ccmul为复数乘法器，bfproc为蝶形运算器，输出的结果为四位，每一级都要进行round操作。-4 16-point fft, ccmul for complex multiplier, bfproc for the butterfly operation, a result output is four, each stage should be carried out round operation.