面阵扫描型警戒系统目标探测方法

根据红外面阵探测器的成像特点,提出了一种面阵扫描型警戒系统,该系统的新颖之处在于面阵的旋转会带来目标探测有效像元数目的增加,并使得目标探测信噪比得到提高.描述了使用面阵探测器扫描型警戒系统的系统参数和工作过程,推导了该系统的点扩散模型,分析了目标的成像特点,重点描述和分析了针对本系统特点的目标探测算法,并介绍了其信号处理的硬件结构.实验结果表明,基于面阵探测器的红外搜索系统具有很高目标探测概率,并且能够在强杂波环境中检测弱目标.

Target Detection Method of Focal Plane Array Search System

In accordance with the features of the area infrared focal plane array (AFPA), an new focal plane array search system is introduced. The system's innovation lies in that the AFPA's rotation will increase the number of the target detection effective pixel, and this will increase the target detection signal to noise ratio (SNR). Firstly, the parameters of focal plane array search system's and it's work process, then deduces the system point spread model are described and the imaging characteristics of the target is analyed. Secondly the target detection algorithm is described and analyzed, and the signal processing hardware architecture is introduced. Finally the experimental results show that the focal plane array search system has high target detection probability, and can detect dim target in the strong clutter enviroment.