NSSC OpenIR  > 微波遥感部
Alternative TitleAnalys is and Compar ison of Several Algor ithms on Improv ingAz imuth Resolution for D istr ibuted SAR
韩朝晖; 雷利卿; 北京8701信箱
Source Publication遥感技术与应用
Keyword分布式合成孔径雷达 频谱合成 方位分辨率
Other AbstractWe analyzed th ree ex ist ing methods fo r imp roving azimu th reso lu t ion fo rdist ribu ted SAR system in this paper:to ex tend equ ivalen t Dopp ler spect rum in t ime domain, w h ich imp roves resolution while leads to spect rum overlapping and worsen result s; to imp rove spect rum u t ilizat ion and realize fu ll2apertu reimaging, which results in considerable computational complexity; to carry out spatial filtering by means of statistics and est imat ion,which enlarges imaging area w h ile main tain s theo ret ical resolution and resu lts in amazing compu tational complexity for pseudo-inverse of mat rix. In view of the sho rtcom ings of these methods, we proposed a spatial frequency filtering app roach to imp rove the syn thesized spect rum to overcome them. We presented computer simulations to validate the proposed method.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
韩朝晖,雷利卿,北京8701信箱. 几种提高分布式雷达方位向分辨率方法的分析与比较[J]. 遥感技术与应用,2005,20(4):430-434.
APA 韩朝晖,雷利卿,&北京8701信箱.(2005).几种提高分布式雷达方位向分辨率方法的分析与比较.遥感技术与应用,20(4),430-434.
MLA 韩朝晖,et al."几种提高分布式雷达方位向分辨率方法的分析与比较".遥感技术与应用 20.4(2005):430-434.
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