摘要
目的为了选用快速高效的自聚焦算法对机载SAR数据进行聚焦处理。方法针对子孔径相关算法(Map-Drift,简称MD),利用中国科学院电子研究所机载L波段合成孔径雷达(SAR)的实际数据,进行了算法的可行性分析和试验研究。结果给出了精确度和地形适应性较好的点目标仿真和实际SAR图像。结论这种算法能有效地消除相位误差对成像的影响,精确度高,适于SAR图像处理。
Aim To optimize an effective autofocus algorithm for processing of airborne SAR images. Methods Experiment research and feasible analyse of Map Drift（MD） algorithm are carried out by utilizing real airborne SAR data of Institute of Electronics. Results Simulated point target and actual SAR image processing with high accuracy and better geography adaptability are presented. Conclusion The influence of phase errors on imaging can be removed effectively by the algorithm which is accurate and suitable for SAR imaging processing.
出处
《西北大学学报（自然科学版）》
CAS
CSCD
北大核心
2005年第6期720-722,共3页
Journal of Northwest University（Natural Science Edition）
基金
陕西省科学技术研究发展计划基金资助项目(99K08-G4)
