说明:%IIR数字滤波器的设计 %设计一个低通数字滤波器,设计指标:通带截止角频率为ωp,阻带截止频率为ωs,通带最大衰减为δp,阻带最小衰减为δs %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%冲激响应不变法%%%%%%%%%%%%%%%%%%%%%%%%%%%...
说明:在matlab环境中自动识别连通区域的大小,采用的是脉冲对消法,添加噪声处理,包括面积、周长、矩形度、伸长度,FIR 底通和带通滤波器和IIR 底通和带通滤波器,滤波求和方式实现宽带波束形成。