基于seed dm6437的快速傅立叶变换的算法 及滤波器的设计-Based seed dm6437 fast Fourier transform algorithm and filter design

设计滤波器时，可以输入相应要计算的值，自动计算频率，电容，电阻等。-Design filter, you can enter a value corresponding to the calculated automatically calculate the frequency, capacitance, resistance and so on.