基于克隆选择的雷达抗同型干扰工作序列设计

Radar working-sequence design for resisting homotypic interference based on clonal selection

为使多部同型雷达能够在近距离内同时正常工作,必须解决同型干扰问题。提出了一种基于克隆选择的雷达抗同型干扰工作序列设计方法。简要总结了现有解决方案存在的不足,讨论了平均同型干扰与雷达工作序列的关系,在此基础上建立了使平均同型干扰最小的雷达最优工作序列所应满足的数学模型,基于克隆选择框架构造启发式搜索,求解一个整数非线性规划问题。实验结果表明:克隆选择算法能够以高正确率快速收敛于全局最优解,获得雷达利用效率与抗同型干扰性能之间的最佳折衷。

For ensuring multiple homotypic radars to work normally together at close quarters, the problem of homotypic interference has to be solved. In this pa- per, a method is proposed to design radar working-sequence for resisting homotypic interference based on clonal selection. First, limitations of the existed methods are briefly summarized. The relationship between the average homotypic interference and the radar working-sequence is discussed. Then the mathematical model of the optimized radar working-sequence is established to minimize the average homotypic interference. A heuristic search is constructed based on clonal selection to solve an integer non-linear programming problem. According to the experiment results, the clonal selection algorithm converges rapidly at the global optimal solution in high probability, and the best trade-off between the radars efficiency and the anti-homo- typic interference performance is achieved.