www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@filterquantizer/statespacefootconnect.m
function [NL, PrevIPorts, PrevOPorts, mainparams]=statespacefootconnect(q,NL,H,mainparams); %STATESPACEFOOTCONNECT specifies the connection and quantization parameters in the %conceptual foot stage % Author(s): Honglei Chen % Copyright 1988-2004 The MathWorks, Inc. coeff = coefficients(H); Amat = coeff{1}; dim = size(Amat,1); % sum and gain for m = 1 : (2*dim-1)*dim set(NL.nodes(m),'qparam','double'); end inputports = zeros(1,dim); for m = 1:dim inputports(m) = (2*dim-1)*dim + m; end outputports = zeros(1,dim); for m = 1 : dim for n = 1 : 2 : 2*dim - 1 tempind = (m - 1)*(2*dim-1) + n; if n == 1 NL.connect(tempind,1,tempind+1,1); else NL.connect(tempind,1,tempind-1,2); if n < 2*dim - 1 NL.connect(tempind-1,1,tempind+1,1); end end NL.connect(inputports((n+1)/2),1,tempind,1); end outputports(dim-m+1) = tempind - 1; end % specify the interstage connection % last layer, therefore no next input and output PrevIPorts = []; PrevOPorts = []; for m = 1:dim PrevIPorts = [PrevIPorts, filtgraph.nodeport(inputports(m),1)]; PrevOPorts = [PrevOPorts, filtgraph.nodeport(outputports(m),1)]; end