資源簡介
該程序對SAR圖像的背景雜波建立了多種統計模型,如對數正態分布、韋布爾分布、瑞利分布、gamma分布等,分別計算其擬合參數。并通過k-s準則,絕對值準則,峰度等選擇最佳的分布模型和參數估計,并把各種分布圖進行對照顯示
代碼片段和文件信息
function?p?=?chi2test(x1x2)
?
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
?%參數說明:
?%p:chi-squre統計值該值越小說明擬合越好
?%X1,X2:x1樣本概率密度函數x2為假設pdf,都為一維列向量
?%公式:
?%?Check?the?arguments.
%?if(nargin?~=?2)???error(‘Two?and?only?Two?argument?required!‘);?????end
?L?=?minus(x1x2);
?p??=?L*L‘;
?p?=?p/max(x2);
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2831??2010-05-09?13:23??code\Unti
?????文件????????606??2010-05-08?20:06??code\histc.asv
?????文件????????607??2010-05-08?20:09??code\Hhistc.m
?????文件????????393??2010-05-09?11:18??code\chi2test.m
?????文件????????393??2010-05-09?11:18??code\chi2test.asv
?????文件????????137??2010-05-09?12:17??code\EX.m
?????文件???????2906??2010-05-09?13:50??code\main.m
?????目錄??????????0??2010-05-07?12:50??code
-----------?---------??----------?-----??----
?????????????????7873????????????????????8
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