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Alternative TitleSimulation and Correction of Ionospher ic Effects onP-Band Spaceborne SAR Imag ing
翟文帅; 张云华; 北京8701信箱
Source Publication测试技术学报
Keyword电离层 星载sar p波段 成像 色散
Other AbstractThis paper analyzes the iono sphere’s impact on imaging, w h ich includes 1) an unknow n propagat ion t ime delay w h ich cau ses image sh if t and 2) dispersion effect w h ich cau ses the m ismatch in range comp ression, and p resen t s the simu lat ion of po in t target imaging as w ell. The resu lt s show that the crucial facto rs fo r imaging quality are carrier f requency, band w idth and TEC ( to tal elect roncon ten t). Fo r P band SAR , the image sh if t and reso lu t ion sp read can reach to dozen s of meters. The au tho r p ropo ses a method fo r iono spheric effect co rrect ion by u t ilizing the variat ion of t ime-domain respon se of a co rner-ref lecto r befo re comp ression to calcu late the reference funct ion u sed in matched filtering.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
翟文帅,张云华,北京8701信箱. P波段星载SAR电离层对成像的影响及校正方法[J]. 测试技术学报,2008,22(5):459-464.
APA 翟文帅,张云华,&北京8701信箱.(2008).P波段星载SAR电离层对成像的影响及校正方法.测试技术学报,22(5),459-464.
MLA 翟文帅,et al."P波段星载SAR电离层对成像的影响及校正方法".测试技术学报 22.5(2008):459-464.
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