一种基于干扰子空间抑制的目标自适应融合检测方法
By constructing a target adaptive fusion detection method based on interference subspace suppression and utilizing oblique symmetric structural information, the detection challenge of broadband radar in complex electromagnetic environments is solved, achieving a balance between low computational complexity and excellent detection performance, and improving the detection capability of weak targets.
CN120507723BActive Publication Date: 2026-07-17NAVAL AVIATION UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NAVAL AVIATION UNIV
- Filing Date
- 2025-05-08
- Publication Date
- 2026-07-17
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Figure CN120507723B_ABST
Abstract
本发明涉及宽带雷达信号处理技术领域，具体为一种基于干扰子空间抑制的目标自适应融合检测方法。针对部分均匀高斯背景下的现有宽带雷达距离扩展目标自适应检测器难以兼顾CFAR特性、检测性能和计算复杂度的难题，同时考虑到实际杂波非均匀性导致难以获得纯杂波训练数据的问题，如何充分挖掘杂波协方差矩阵结构信息，降低对训练数据量的需求，提高未知杂波协方差矩阵估计精度，构建具有闭合形式的基于干扰子空间抑制的目标自适应融合检测方法，在保证CFAR特性的同时，兼顾距离扩展目标自适应检测算法的智能抗干扰、计算复杂度和检测性能等多方面需求，提升复杂干扰环境下多通道宽带雷达对弱小目标的自适应检测性能。
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