www.gusucode.com > signal 工具箱matlab源码程序 > signal/@filtdes/@firclslp/design.m
function Hd = design(h, d) %DESIGN Design the filter % Author(s): J. Schickler % Copyright 1988-2003 The MathWorks, Inc. N = get(d, 'Order'); Fc = get(d, 'Fc'); Upper = [1+get(d, 'DpassUpper') get(d, 'DstopUpper')]; Lower = [1-get(d, 'DpassLower') -get(d, 'DstopLower')]; b = fircls(N, [0 Fc 1], [1 0], Upper, Lower); Hd = dfilt.dffir(b); % [EOF]