Created
October 11, 2016 07:14
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%Csúszó ablak: | |
%t+1 | |
%t <- nyers érték | |
% t-1 <- szűrt érték | |
% t-2 | |
% ... | |
x =[-pi:0.01:pi]; | |
y=sin(x); | |
plot(x,y); | |
grid; | |
plot(x,y,'-+r') | |
plot(x,y,'-+g') | |
plot(x,y,'-+b') | |
plot(x,y,'-ko', 'linewidth', 2, 'markeredgecolor','k', 'markerfacecolor', 'g', 'markersize', 10) | |
y2 = 0; | |
for i=1:length(x) | |
y2(i)=sin(x(i))+(rand(1)-0.5)/4; | |
end | |
hold on; | |
plot(x,y2, '.r'); | |
%csúszóablakosszűrés | |
windowsize=5; | |
slidewindow=ones(1,windowsize)*y2(1); | |
y2_filtered=0; | |
for i=1:length(y2) | |
y2_filtered(i) = mean(slidewindow); | |
for j=1:length(slidewindow-1) | |
slidewindow(j) = slidewindow(j+1); | |
end | |
slidewindow(length(slidewindow))=y2(i); | |
end; | |
plot(x,y,'-'); | |
hold on; | |
plot(x,y2_filtered,'-k'); |
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