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資源簡介

設定雷達和目標參數,選取目標中心與雷達的距離為參考距離,采取dechirp方式接收信號,直接對回波信號進行二維FFT得到的成像結果,并采用Keystone法(即重采樣法)校正越距離單元徙動。

資源截圖

代碼片段和文件信息

function?[RetDataRetFai]=Compensate(Data)
%%?互相關相位對準(即相位精補償)
%?Data:包絡對齊后的數據,慢時間*快時間
[rowscols]=size(Data);
xw1=zeros(1cols);
xw2=zeros(1cols);
RetData(1:)=Data(1:);
fai=zeros(1rows);
for?k=2:rows
????xw1=Data(k:).*conj(RetData(k-1:));
????xw2=abs(xw1);
????sum1=sum(xw1);
????sum2=sum(xw2);
????fai(k)=-angle(sum1/sum2);
%????RetData(k:)=Data(k:)*conj(sum1/sum2);
????RetData(k:)=Data(k:)*exp(j*fai(k));
end
RetFai=fai;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-05-20?15:41??ISARchengxiangfangzhen\
?????文件?????????479??2011-12-31?14:21??ISARchengxiangfangzhen\Compensate.m
?????文件?????????818??2011-12-31?14:22??ISARchengxiangfangzhen\Comp_MinEntropy.m
?????文件??????????79??2007-04-19?11:18??ISARchengxiangfangzhen\ftx.m
?????文件??????????79??2007-04-19?11:18??ISARchengxiangfangzhen\fty.m
?????文件??????????81??2007-04-19?11:18??ISARchengxiangfangzhen\iftx.m
?????文件??????????82??2007-04-19?11:18??ISARchengxiangfangzhen\ifty.m
?????文件????????2089??2011-12-31?14:18??ISARchengxiangfangzhen\ISARrecieve.m
?????文件?????????295??2011-12-31?11:12??ISARchengxiangfangzhen\Keystone.m
?????文件????????1165??2011-12-31?14:22??ISARchengxiangfangzhen\RangeAlign_Corr.m
?????文件?????????240??2011-12-31?14:26??ISARchengxiangfangzhen\代碼說明.txt

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