摘要
在K分布杂波加热噪声背景下 ,采用基于Hough变换的检测前跟踪算法对匀速直线运动的SwerlingII型低可观测目标的检测过程进行了仿真。在此基础上 ,分析了该算法的检测性能 ,得出了解析表达式。针对解析式复杂、不便于进行性能评估的缺陷 ,采用Pad啨近似法对解析式进行近似 ,从而较容易地实现了检测性能评估 。
A Hough transform-based track-before-detect (TBD) algorithm is used to detect low observable target with constant velocity in K-distributed clutter and thermal noise. The target model adopted is Swerling II. On the basis of the algorithm simulation, this paper analyzes detection performance of this algorithm, and obtained analytical formulas. Since the analytical formulas are very complicated, making them inconvenient to evaluate the detection performance, this paper uses the Padé approximation to approximate the analytical formulas, and easily carried out the evaluation of the detection performance. Monte Carlo simulation shows the feasibility of this approximation method.
出处
《现代雷达》
CSCD
北大核心
2004年第12期37-41,共5页
Modern Radar