fit_it_block_ar8

PURPOSE ^

SYNOPSIS ^

function [PSD,operador,coef_ar] = fit_it_block_ar8(observado)

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 
0002 function [PSD,operador,coef_ar] = fit_it_block_ar8(observado)
0003 
0004 M = size(observado,1);
0005 
0006 Y=[];
0007 rhs=[];
0008 
0009 bloque = observado;
0010 
0011 for jj=2:M-1
0012    for kk=2:M-1
0013       Y=[Y; bloque(jj+1,kk+1:-1:kk-1) bloque(jj,kk+1) bloque(jj,kk-1) bloque(jj-1,kk+1:-1:kk-1)];
0014       rhs =[rhs;bloque(jj,kk)];
0015    end
0016 end
0017 
0018 coef_ar = Y\rhs;
0019 
0020 ptos=M;
0021 
0022 w=linspace(-pi,pi,ptos);
0023 
0024 z1=exp(sqrt(-1)*w);
0025 z2=exp(sqrt(-1)*w);
0026 
0027 F = zeros(ptos);
0028 espectro = F;
0029 
0030 for jj=1:ptos
0031    for kk=1:ptos
0032       v1 = coef_ar(1)*z1(jj)^1*z2(kk)^1;
0033       v2 = coef_ar(2)*z1(jj)^1*z2(kk)^0;
0034       v3 = coef_ar(3)*z1(jj)^1*z2(kk)^(-1);
0035       v4 = coef_ar(4)*z1(jj)^0*z2(kk)^1;
0036       v5 = coef_ar(5)*z1(jj)^0*z2(kk)^(-1);
0037       v6 = coef_ar(6)*z1(jj)^(-1)*z2(kk)^(1);
0038       v7 = coef_ar(7)*z1(jj)^(-1)*z2(kk)^(0);
0039       v8 = coef_ar(8)*z1(jj)^(-1)*z2(kk)^(-1);
0040 
0041       val = 1 - (v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8);
0042       F(jj,kk) = val;
0043       PSD(jj,kk) = 1 / abs(val)^2;
0044    end
0045 end
0046 
0047 operador = F;
0048

Generated on Fri 07-Mar-2014 13:28:33 by m2html © 2005