摘要
将自适应阵列信号处理中的空间谱估计方法应用于微波热辐射阵列接收系统,提出一种新的基于目标微波热辐射信号和空间谱估计的全被动式探测方法。该方法利用空间谱估计实现超分辨率,利用稀疏排列减少所需的阵元数。实验结果表明:该目标探测方法可行,且实现了目标的超分辨率探测。
In this paper, the Spatial Spectrum Estimation, an important part of adaptive array signal processing, is used for estimating the direction of thermal radiation signal received by array. A novel method that a Spatial Spectrum Estimation method of target detection based on microwave radiation received by radiometer array is proposed. This method uses the Spatial Spectrum Estimation to achieve super resolution and the sparse arrangement of array to reduce the number of sensors. The experiment results show that the method proposed by this paper is feasible and achieves the super resolution of target detection at the meanwhile.
出处
《微波学报》
CSCD
北大核心
2009年第2期92-96,共5页
Journal of Microwaves
基金
国家自然科学基金资助项目(60772090)
关键词
微波热辐射
阵列
空间谱估计
目标探测
超分辨率
Microwave thermal radiation, Array, Spatial spectrum estimation, Target detection, Super resolution