摘要
距离高分辨体制下,目标在雷达视在径向距离上扩展成多个散射点,对其进行检测需将目标分散的能量进行积累。本文将自适应单周期径向积累检测与中心极限定理相结合,推导出了在K分布杂波背景下的检测器结构,并详细分析了其统计特性。该检测器一方面不仅对目标强散射点分布有较强的适应性,而且在杂波参数变化时具有可以接受的检测性能,另一方面避开了滑窗处理及K分布杂波形状因子的计算,结构简单,易于实现。仿真结果证明了该检测器的可行性和鲁棒性。
The energy of the targets must be integrated when the range-distributed targets detecting problem are considered for radar with high range resolution.Based on adaptive single-scan radial integrated(ASSRI) detection algorithm and central limit theorem,a new detector configuration which suits the target detecting problem in K-distributed clutter is deducted,and the statistical characteristic of this detector is analyzed in detail.The influences of some factors on performance of this detector such as distribution of the scatterer,shaping factor of clutter are discussed.In the end,simulated results that demonstrate the validity and stability of proposed scheme are presented in this paper.
出处
《微波学报》
CSCD
北大核心
2010年第S2期297-300,共4页
Journal of Microwaves
关键词
合成高分辨雷达
目标检测
积累
K分布
中心极限定理
synthetic high range resolution radar
targets detection
integration
K-distributed
central limit theorem
