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阵列雷达基于二维超分辨率的三维前成像算法

Jinke Dai1,2, Weijie Sun1,2, Xinrui Jiang3

  • 1The Key Laboratory of Radar Imaging and Microwave Photonics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.

Sensors (Basel, Switzerland)
|November 27, 2024
PubMed
概括
此摘要是机器生成的。

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本研究介绍了导弹载雷达的新型3D前性成像算法,通过应用超高分辨率技术来提高分辨率. 这种新方法可以提高图像质量,而不是传统的真光圈成像.

科学领域:

  • 雷达系统工程 雷达系统工程
  • 信号处理 信号处理
  • 电磁学 电磁学 电磁学 电磁学

背景情况:

  • 真实光圈雷达成像受天线光圈大小限制,限制导弹载3D前应用中的分辨率.
  • 超分辨率技术为克服雷达成像中的这些分辨率限制提供了一个潜在的解决方案.

研究的目的:

  • 为导弹载平面阵列雷达提出和评估一种新的3D前性成像算法.
  • 与现有方法相比,改进阿齐穆特角分辨率和整体图像质量.

主要方法:

  • 开发了一个3D前性成像算法,利用二维 (2D) 超分辨率方法.
  • 该算法使用加权最小平方 (WLS) 标准处理单个范围脉冲单元,用于2D光谱估计.
  • 适应代处理用于超分辨率光谱估计,即使是单个样本,解决缺乏训练数据的问题.

主要成果:

  • 拟议的算法成功地产生了2D超分辨率光谱在阿齐穆特-pitch域.
  • 基于光束扫描的光谱积累有效地创建高质量的3D图像.
  • 与真实光圈成像方法相比,模拟结果显示出更高的近距离距离分辨率.

结论:

  • 开发的算法显著提高了导弹载雷达3D前成像的分辨率.
关键词:
雷达阵列是一个雷达阵列.展望未来的前性.这是一种超分辨率技术.三维成像三维成像技术

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  • 这种超分辨率技术为获得更高质量的3D雷达图像提供了一种可行的方法.
  • 这种方法即使在训练样本有限的场景中也是有效的.