Study on the Synthetic Aperture Length of SAR Working on Spotlight Mode
Gao Xiang-wu①②; Lei Hong①;Yang Ru-riang①
①Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China;②Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
Abstract:The traditional formula computing the synthetic aperture length of spotlight SAR and its localization are presented in this paper firstly. Then the new formula to com puting the synthetic aperture length of spotlight SAR is deducted on the basis of airborne and spaceborne geometry models. Especially in spaceborne model, the earth speed is considered. Finally, the data simulation results validate that it is necessary to use the newformula to compute the synthetic aperture length. This paper provides the reference for deagnmg synthetic aperture length of spotlight SAR.
高祥武;雷宏;杨汝良. 合成孔径雷达聚束模式合成孔径长度研究[J]. 电子与信息学报, 2004, 26(6): 953-958 .
Gao Xiang-wu①②; Lei Hong①;Yang Ru-riang①. Study on the Synthetic Aperture Length of SAR Working on Spotlight Mode. , 2004, 26(6): 953-958 .