可以根据不同的设计指标参数，快速、有效、自动地完成低通、高通、带通、带阻等各种滤波器的设计和仿真计算，直观展示相应滤波器的幅频、相频特性。-According to different parameters design specifications, fast and effective, automatically complete low pass, high pass, band pass, band stop filter design and various simulation,