平方根升余弦滚降FIR数字滤波器的设计 与实现 不错的资料-Roll-off square root raised cosine FIR digital filter design

用matlab实现升余弦滤波器的设计，其中滚降系数可以根据自己需要自动调节-Using matlab to achieve raised cosine filter design, roll-off factor which can automatically adjust according to their needs