www.gusucode.com > Matlab动力系统和时间序列分析工具箱 > Matlab动力系统和时间序列分析工具箱/lab432/toolbox/median_filter.m
function Y=median_filter(X,ap) % MEDIAN_FILTER provide median filtration of vector X % window - window size (in samples). By default 5 % % last modified 01.12.04 if nargin<2 ap=5; end Y=X; L=length(X); if mod(ap,2) for i=((ap-1)/2+1):(L-(ap-1)/2) Y(i)=median(X((i-(ap-1)/2):(i+(ap-1)/2))); end else for i=ap/2:(L-ap/2) Y(i)=median(X((1+i-ap/2):(i+ap/2))); end end