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    發布日期: 2021-03-28
  • 語言: Matlab
  • 標簽: matlab??

資源簡介


合成孔徑雷達成像技術是雷達體制中較新的一種，在軍事國防領域具有重要的地位，受國內外的廣泛的關注。 RD算法是一種基礎的SAR成像算法，學生仿真中用的最多，本人將自己做的RD算法整理后分享給大家，希望對大家的學習有所幫助！

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代碼片段和文件信息 

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%??????????????????????SAR?imaging:?RD_algorithm?（2010.08）
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clear;?clc;
close?all;
%%%%%%?參數設置
%%%%%%%%%%%%%%%?constant?parameters?%%%%%%%%%%%%%%%%%%%

c?=?3e8;???????????????????%?speed?of?light3*10^8m/s

%%%%%%%%%%%%%%%?chirp?signal?parameters?%%%%%%%%%%%%%%%

fc?=?3e9;????????????????%?carrier?frequency**GHz
wc?=?2?*?pi?*?fc;
lambda?=?c?/?fc;???????????%?Wavelength?at?carrier?frequency
Tr?=?1.5e-6;???????????????%?chirp?pusle?duration?1.5us
Br?=?150e6;????????????????%?chirp?frequebcy?bandwidth?150Mhz
Kr?=?Br/Tr;????????????????%?chirp?signal:?frequency?modulation?rate

%%%%%%%%%%%%%%?observating?strip?parameters?%%%%%%%%%%%%

H?=?3000;??????????????????????????%?飛行平臺的高度
ThetaCenter?=?45?/?180?*?pi;???????%?正側視SAR系統的斜視角
Platform_center?=?[0?0?H];???????%?飛行平臺的位置坐標

Y_C?=?H?*?tan（ThetaCenter）;
Scen

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????13207??2010-08-15?10:51??SAR_RD\SAR_RD_algrithm.m

?????文件????????182??2010-04-07?15:41??SAR_RD\SAR_tools\ftx.m

?????文件????????188??2010-04-07?15:41??SAR_RD\SAR_tools\fty.m

?????文件????????183??2010-04-07?15:41??SAR_RD\SAR_tools\iftx.m

?????文件????????190??2010-04-07?15:41??SAR_RD\SAR_tools\ifty.m

?????文件?????????75??2010-09-13?15:44??SAR_RD\使用說明.txt

?????目錄??????????0??2010-09-13?15:42??SAR_RD\SAR_tools

?????目錄??????????0??2010-09-13?15:40??SAR_RD

-----------?---------??----------?-----??----

????????????????14025????????????????????8


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