www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@calatticepc/getcoupledgain.m

    function g = getcoupledgain(Hd)
%GETCOUPLEDGAIN Return the value (string) of the gain that couple the
%all-pass filters.

% This should be a private method

%    Author: Don Orofino, V. Pellissier
%    Copyright 1988-2003 The MathWorks, Inc.

g = '0.5*i';