www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@calatticepc/getcoupledsum.m
function str = getcoupledsum(Hd) %GETCOUPLEDSUM Return the value (string) of the summer that couple the %all-pass filters. % This should be a private method % Author: Don Orofino, V. Pellissier % Copyright 1988-2002 The MathWorks, Inc. str = '|+-';