A. b=fir1(48,[0.35 0.65]) B. b=fir1(48,[0.35 0.65],’stop’) C. b=fir1(48,0.35) D. b=fir1(48,[0.35 0.65],’high’)
A. b=fir1(48, 0.35,’stop’) B. b=fir1(48,0.35,’high’) C. b=fir1(48, 0.35 )
A. 对 B. 错