www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@singlefilterquantizer/df1bodyconnect.m

    function [NL, PrevIPorts, PrevOPorts, NextIPorts, NextOPorts, mainparams]=df1bodyconnect(q,NL,H,mainparams)
%DF1BODYCONNECT specifies the connection and quantization parameters in the
%conceptual body stage

%   Author(s): Honglei Chen
%   Copyright 1988-2004 The MathWorks, Inc.

%sum
set(NL.nodes(3),'qparam','single');
set(NL.nodes(4),'qparam','single');

%gain
set(NL.nodes(2),'qparam','single');
set(NL.nodes(5),'qparam','single');

%make the connection
NL.connect(1,1,2,1);
NL.connect(2,1,3,1);
NL.connect(5,1,4,2);
NL.connect(6,1,5,1);

% setup the interstage connections
% since in the middle, both previous and next input and output needs to be
% specified.  Note that one stage's number of output has to match the
% number of input in adjacent layers.
PrevIPorts = [filtgraph.nodeport(1,1) filtgraph.nodeport(3,2) filtgraph.nodeport(4,1) filtgraph.nodeport(6,1)];
PrevOPorts = [filtgraph.nodeport(7,1) filtgraph.nodeport(8,1)];
NextIPorts = [filtgraph.nodeport(7,1) filtgraph.nodeport(8,1)];
NextOPorts = [filtgraph.nodeport(1,1) filtgraph.nodeport(3,1) filtgraph.nodeport(4,1) filtgraph.nodeport(6,1)];