用CVI开发的滤波程序，通过设置滤波器类型，采样频率，截止频率，衰减系数，滤波器的阶次，纹波系数来设计滤波器。-CVI development of the filtering process, through the establishment of filter types, sampling frequency, cutoff frequency, attenuation coefficient, Filter Order, Ripple to design the filter coef