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資源簡介

很全的EMD端點效應(yīng)處理程序,包括鏡像延拓法、特征波法、包絡(luò)延拓法、波形匹配預(yù)測法等6種方法。可以幫助更好地理解EMD算法,解決其存在的問題。

資源截圖

代碼片段和文件信息

function?[tmintmaxzminzmax]?=?boundary_conditions_averextr(indminindmaxtxz)

if?(length(indmin)?+?length(indmax)? error(‘not?enough?extrema‘)
end

????%?boundary?conditions?for?interpolations?:

????%%%boundary?condition:在數(shù)據(jù)的起始點和終點各預(yù)測一個極大值和一個極小值
????if?length(indmin)>1%存在兩個以上極小值點
????????%%%序列左端
????????if?z(1)>0
????????????zlmin=(z(indmin(1))+z(indmin(2))-z(1))/3;
????????else
????????????zlmin=(z(indmin(1))+z(indmin(2))+z(1))/3;????????????
????????end
????????%%%序列右端
????????if?z(end)>0
????????????zrmin=(z(indmin(end-1))+z(indmin(end))-z(end))/3;
????????else
????????????zrmin=(z(indmin(end-1))+z(indmin(end))+z(end))/3;
????????end
????else
????????if?z(1)>0
????????????zlmin=(z(indmin(1))-z(1))/2;
????????else
????????????zlmin=(z(indmin(1))+

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-05-17?15:52??端點效應(yīng)參考代碼\
?????文件????????1896??2013-05-17?15:03??端點效應(yīng)參考代碼\boundary_conditions_averextr極值平均.m
?????文件????????1158??2013-05-17?11:12??端點效應(yīng)參考代碼\boundary_conditions_charalen邊界局部特征尺度延拓.m
?????文件????????1547??2013-05-17?11:11??端點效應(yīng)參考代碼\boundary_conditions_HDJ極值延拓法.m
?????文件????????2979??2013-05-17?11:12??端點效應(yīng)參考代碼\boundary_conditions_isbm基于ISBM延拓的EMD.m
?????文件????????1086??2013-05-17?11:11??端點效應(yīng)參考代碼\boundary_conditions_paracon平行延拓法.m
?????文件????????1351??2013-05-17?11:12??端點效應(yīng)參考代碼\boundary_conditions_rependp對playfish的程序進行修改.m

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