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