Simulation results show that the maximum passband ripple of the decimation filter is 0.0025dB, and its minimum stopband attenuation is 70dB, which satisfy the design specifications.

• 仿真结果表明，整个降采样滤波器级联后通带最大纹波为0.；0025dB，阻带最小衰减为-70dB，满足设计要求。