www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@singleton/todf2t.m
function Hd2 = todf2t(Hd); %TODF2T Convert to direct-form 2 transposed. % Hd2 = TODF2T(Hd) converts discrete-time filter Hd to direct-form 2 % transposed filter Hd2. % Copyright 1988-2002 The MathWorks, Inc. [b,a] = tf(Hd); Hd2 = dfilt.df2t(b,a);