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基于改进平滑L0范数的ISAR成像算法

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摘要 在雷达成像场景中,由于目标散射点具有稀疏性,针对低采样条件下逆合成孔径雷达(Inverse SyntheticApertureRa⁃dar,ISAR)高分辨率成像问题,文章提出一种基于改进平滑L0(Smoothed L0 norm,SL0)范数的高分辨率ISAR成像算法。首先采用负指数函数作为平滑函数,通过调整控制参数,使得负指数函数趋近于L0范数;通过循环迭代与梯度投影方法,求出最优解。仿真结果证明,本文算法较传统算法具有一定优势。
出处 《电脑知识与技术》 2022年第21期36-38,共3页 Computer Knowledge and Technology
基金 六盘水师范学院大学生科研训练计划项目(项目编号:2021DK021Z)资助。
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