标签: 逆合成孔径雷达

本文档是经典书籍《InverseSyntheticApertureRadarImagingWithMATLABAlgorithms）配套的MATLAB代码

InverseSyntheticApertureRadarImagingWithMATLABAlgorithms《逆合成孔径雷达成像的MATLAB算法》是介绍逆合成孔径雷达的经典书籍英文简介ThisbookprovidesafullrepresentationofInverseSyntheticApertureRadar(ISAR)imagery,whichisapopularandimportantradarsignalprocessingtool.ThebookcoversallpossibleaspectsofISARimaging.ThebookoffersafairamountofsignalprocessingtechniquesandradarbasicsbeforeintroducingtheinverseproblemofISARandtheforwardproblemofSyntheticApertureRadar(SAR).ImportantconceptsofSARsuchasresolution,pulsecompressionandimageformationaregiventogetherwithassociatedMATLABcodes.AfterprovidingthefundamentalsforISARimaging,thebookgivesthedetailedimagingproceduresforISARimagingwithassociatedMATLABfunctionsandcodes.ToenhancetheimagequalityinISARimaging,severalimagingtricksandfine-tuningproceduressuchaszero-paddingandwindowingarealsopresented.Finally,variousrealapplicationsofISARimagery,likeimagingtheantenna-platformscattering,aregiveninaseparatechapter.Forallthesealgorithms,MATLABcodesandfiguresareincluded.ThefinalchapterconsidersadvancedconceptsandtrendsinISARimaging.

逆合成孔径雷达（InverseSyntheticApertureRadar，ISAR）图像横向定标是获取目标外形和尺寸信息的关键，重点是目标转角的估计。提出了一种基于特征匹配的ISAR图像横向定标方法，将回波数据等长且相邻的ISAR卫星图像用Harris和SIFT算法提取特征点，然后利用随机采样一致性进行特征点配准，最后建立坐标位置差代价函数估计目标转角，完成ISAR图像横向定标。采用卫星仿真数据对算法进行了验证，实验结果表明该算法能够准确估计横向定标因子，定标精度高。