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資源簡介

kriging程序,用于散點數據生成格網,且可以繪制等高線圖,二維或者三維顯示。內有matlab的程序代碼以及原理講解的PDF

資源截圖

代碼片段和文件信息

function?F?=?barnes?(xi?yi?zi?c?g)

% F?=?barnes?(xi?yi?zi?c?g)
%?
%?Filter?kriged?data.
%?
%? F(ij)?=?f0(ij)?+?sum?(wn?*?Dn)?/?sum?(wn)
%
%?o?f0(ij)=?barnes?first?estimation?
% wn?????=?exp(-h^2?/?(4*c*g))?=?weigth?function?for?x?and?y?data
% Dn?????=?zi-f0?(of?coordinates?(xiyi))
% cg????=?filter?constants
% F(ij)?=?filtered?data?
%
%?refs: Tintor?et?al.?(1991)?Mesoscale?Dynamics?and?Vertical?Motion?in
% the?Alboran?Sea?Journal?of?Physical?Oceanigraphy?21811:823.
%
% Maddox?(1980)?An?objective?Technique?for?Separating?Macroscale?and?
% Mesoscale?Features?in?Meteorological?Data?Montly?Weather?
% Review?108?1108:1121.

%?Weigth?function?

??wf0?=?‘exp(-h.^2?./?(4*c))‘;
??ww??=?‘exp(-h.^2?./?(4*c*g))‘;

%?Input?format:?position
??
??nx?=?length(xi);
??ny?=?length(yi);
??p??=?kregrid(min(xi)xi(2)-xi(1)max(xi)...
min(yi)yi(2)-yi(1)max(yi));
??x?=?p(:1);
??y?=?p(:2);

%?Input?format:?data
??
??[mn]?=?size(zi);
??z?=?[];?
??for?i?=?1:n
z?=?[z;zi(i:)‘];??
??end

%?Sum?over?N:?all?data

??N?=?length(z);

%?Filter?to?get?f0(ij)

?for?j?=?1:N
?
????dx?=?x?-?x(j);
????dy?=?y?-?y(j);
????h??=?(dx.^2?+?dy.^2)?.^(0.5);
????wn?=?eval([wf0]);

????wf???=?sum(wn?.*?z);
????w????=?sum(wn);
????f0(j)?=?wf?/?w;

??end

%?Filter?to?get?F(ij)

??for?j?=?1:N
?
????dx?=?x?-?x(j);
????dy?=?y?-?y(j);
????h??=?(dx.^2?+?dy.^2)?.^(0.5);
????wn?=?eval([ww]);

????wf???=?sum(wn?.*?(z-f0‘));
????w????=?sum(wn);
????f(j)?=?wf?/?w;

??end

%?Output

??F?=?deplie(f0+fnxny);

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????438??1998-05-15?15:38??chiaux.m
?????文件????????2071??1998-05-15?15:38??chitable.m
?????文件????????1270??1998-05-15?15:38??chiprob.m
?????文件????????1450??1998-05-15?15:39??contents_chi.m
?????文件???????18616??1998-05-15?15:38??a2.mat
?????文件????????2396??1998-05-15?15:39??variogr.m
?????文件????????3238??1998-05-15?15:38??Vario3dr.m
?????文件????????3435??1998-05-15?15:38??Vario3di.m
?????文件????????3219??1998-05-15?15:38??Vario2dr.m
?????文件????????3027??1998-05-15?15:38??Vario2di.m
?????文件????????3144??1998-05-15?15:39??var2diuv.m
?????文件????????1613??1998-05-15?15:39??trans.m
?????文件????????7144??2001-07-25?14:14??TMP.mat
?????文件?????????692??1998-05-15?15:39??tintore.m
?????文件?????????655??1998-05-15?15:39??stn2utm.m
?????文件????????1154??1998-05-15?15:39??sal15.mat
?????文件????????1324??1998-05-15?15:39??readme
?????文件????????3034??1998-05-15?15:39??plt90stn.m
?????文件????????1299??1998-05-15?15:39??outvario.m
?????文件?????????576??1998-05-15?15:39??mrqminv.mat
?????文件????????2827??1998-05-15?15:39??mrqmin.m
?????文件?????????985??1998-05-15?15:39??mrqcof.m
?????文件?????????481??1998-05-15?15:39??means.m
?????文件?????????297??1998-05-15?15:39??mat4dp.m
?????文件?????????259??1998-05-15?15:39??mat3dp.m
?????文件????????3638??1998-05-15?15:39??ll2mtu.m
?????文件????????1332??2001-07-25?13:37??KStest.m
?????文件??????154112??2001-07-25?15:00??ksone.dll
?????文件????????6339??2001-07-25?14:51??kridemo.m
?????文件???????13967??1998-05-15?15:39??kri.mat
?????文件?????????536??1998-05-15?15:39??kregrid3.m
............此處省略27個文件信息

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