Bessel function design simulation results show the small pass-band ups, stop-band attenuation, in the pass-band with a better group delay characteristics, which can meet the design requirements.

• 仿真结果表明贝塞尔函数设计的滤波器通带起伏小，阻带衰减大，在通带内群延迟特性较好，可以很好满足设计要求。