摘要
机载雷达对江面(或海面)上的多舰船目标成像时,由于各个目标的运动特性不同,因此难以对各个目标同时成像。针对这一问题,提出了一种机载雷达对多舰船目标的SAR/ISAR混合成像方法。该方法首先对原始数据进行SAR成像处理,接着从SAR图像中提取、复原单个目标的回波信息,然后对单个目标进行ISAR成像。最后,用实测数据验证了该方法的有效性。
In airborne radar imaging of ship targets on the river（or the sea）, it＇s difficult to image every target because of the different motion characteristics of different ships. Aiming at this problem, this paper gives a method of airborne SAR/ISAR imaging of multi ship targets. In this method, the raw data are pro cessed by SAR method firstly. Then, the echo data of a single ship from SAR image are extracted and recov ered. Finally, ISAR imaging of a single target is performed. Also, the validity of this method is verified by real data.
出处
《雷达科学与技术》
2008年第4期261-267,共7页
Radar Science and Technology
基金
国家自然科学基金(No.60502044)
新世纪优秀人才支持计划项目(No.66ZY0706)
