www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@singleton/tocascadeallpass.m
function h = tocascadeallpass(this) %TOCASCADEALLPASS % Author(s): R. Losada % Copyright 2005 The MathWorks, Inc. if isallpass(this), [b,a] = tf(this); h = dfilt.cascadeallpass(a(2:end)); else error(message('signal:dfilt:singleton:tocascadeallpass:notAllpass')); end % [EOF]