www.pudn.com > AR_MATLAB.rar > ARpredictor_Core.m

% File: ARpredictor_Core.m 
% ------------------------ 
% This file is used to  generate the autocorrelation matrix of s(n) and  
% calculate the assumption value of parameter vector a(n) and MSE. 
 
function ARpredictor_Core() 
load ARpredictor_SeqGen.mat; 
for i = 1: (p + 1) 
    for j = 1: (p + 1) 
        ar_autocorrelation_matrix(i, j) = autocorrelation(i - j, signalvector_s); 
    end 
end 
 
for i = 1: p 
    for j = 1: p 
        ar_autocorrelation_matrix_sub(i, j) = ar_autocorrelation_matrix(i + 1, j + 1); 
    end 
    ar_column_vector(i, 1) = - ar_autocorrelation_matrix(i + 1, 1); 
end 
 
a_vector_ass = inv(ar_autocorrelation_matrix_sub) * ar_column_vector; 
AR_MSE_ass = ar_autocorrelation_matrix(1, :) * (vertcat(1, a_vector_ass)); 
 
savefile = 'ARpredictor_Core.mat'; 
save(savefile, 'ar_autocorrelation_matrix', 'a_vector_ass', 'AR_MSE_ass'); 
 
clear;