[关键词]
[摘要]
雷达目标数据是验证和评估各种算法的基础,数据仿真由于不受条件和环境制约,是获取数据的重要途径,开展数据仿真研究具有重要的现实意义。研究了一种基于多散射中心模型的目标成像方法,仿真获得了坦克目标的一维距离像和二维SAR像,针对传统成像方法分辨率低的问题,将基于最小二乘—旋转不变技术的参数估计技术应用于雷达目标一、二维成像中,大大改善了雷达图像的分辨率和成像质量。
[Key word]
[Abstract]
Radar target data are basic for validating and assessing the algorithms.Data simulation,which is not easily affected by environments and conditions,is an important way to acquire the data and has great realistic meaning.One target imaging method based on multi-scattering centers model is proposed,and the 1-D range profiles and 2-D SAR images of tank are simulated.To overcome the limited resolution of traditional method,TLS-ESPIRT is applied to radar imaging and good imaging quality and high resolution are achieved.
[中图分类号]
TN957.51
[基金项目]
国家级重点实验室基金资助(9140C8001010601)