資源簡介
ISAR點目標RD成像算法,距離向包絡(luò)對齊,多普勒中心相位補償
代碼片段和文件信息
%?domain?scatter?compensation
%?單特顯點法相位校正
%?gj?2007?6?1
clear
%%?phase?compasation
load?R_evp.mat;
[NM]=size(R_abs);
R_sum=sum(abs(R_abs)1)/N;%每一列均值
R_sqr=sum(R_abs.*conj(R_abs)1)/N;
Sigma=ones(1M);
Sigma=1-(R_sum.*conj(R_sum))./R_sqr;%相關(guān)系數(shù)
[Yk]=min(Sigma);
if(Y>0.12)
????error(‘none?mainpoint‘);
end
k
phase=zeros(1N);
for?l=1:N
????phase(l)=R_abs(lk)/abs(R_abs(lk));
????R_abs(l:)=R_abs(l:).*conj(phase(l));
end
plot(R_sum);
imwrite(mat2gray(angle(R_abs))‘Phasecompastion.jpg‘);
img=fft(R_abs[]1);
img?=?[img(N/2+1:N:);?img(1:N/2:)];??%?equivalent?to?fftshift
imwrite(mat2gray(abs(img))‘image_mainpoint.jpg‘);
?屬性????????????大小?????日期????時間???名稱
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?????文件??????12186??2012-07-30?21:23??isar_code_new\absctract.jpg
?????文件????????663??2012-07-29?21:56??isar_code_new\dmnsct.asv
?????文件????????681??2012-07-30?11:09??isar_code_new\dmnsct.m
?????文件????????691??2012-07-24?20:20??isar_code_new\dpcmp.asv
?????文件????????913??2012-07-25?09:23??isar_code_new\dpcmp.m
?????文件???????3100??2012-07-30?21:22??isar_code_new\dstcpmss.asv
?????文件???????3133??2012-07-30?21:26??isar_code_new\dstcpmss.m
?????文件??????19148??2012-07-30?21:23??isar_code_new\envolop.jpg
?????文件???????3082??2012-07-30?21:23??isar_code_new\image_Doppler.jpg
?????文件???????2658??2012-07-24?20:33??isar_code_new\image_mainpoint.jpg
?????文件??????56382??2012-07-30?21:23??isar_code_new\Phasecompastion.jpg
?????文件?????230976??2012-07-30?20:39??isar_code_new\rawdata.jpg
?????文件???20171755??2012-07-30?20:39??isar_code_new\rawdata.mat
?????文件??????30767??2012-07-30?21:23??isar_code_new\R_compress.jpg
?????文件????2023539??2012-07-30?21:23??isar_code_new\R_evp.mat
?????文件???????2378??2012-07-24?18:55??isar_code_new\simdata.asv
?????文件???????2412??2012-07-30?20:39??isar_code_new\simdata.m
?????目錄??????????0??2012-07-24?21:42??isar_code_new
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?????????????22564464????????????????????18
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