drawmse.m

粒子滤波重采样算法对比与分析

clf;
load MSE.m
[m,n] = size(MSE);
% MIN = min(MSE,[],2) - 0.01;
% data = MSE - repmat(MIN,1,n);
diffence = max(MSE,[],2) - min(MSE,[],2);
MIN = min(MSE,[],2);
data = (MSE - repmat(MIN,1,n)) ./ repmat(diffence,1,n);
figure(1);
plot(1:m,data(:,1),'b-*',1:m,data(:,2),'g-s',1:m,data(:,3),'c-+',1:m,data(:,4),'r-d');
axis([1,m,0,2]);
legend('多项式重采样','残差重采样','分层重采样','分区重采样');
xlabel('粒子滤波算法输出数据（次）');
ylabel('标准化后的真实值与后验加权估计的均方差');