激光引信抗烟幕干扰浓度分层场景等效建模方法

Equivalent Modeling Method of Laser Fuze Anti-smoke Interference Concentration Stratified Scene

针对目前缺少激光引信抗烟幕干扰等效动态交会试验场景构建方法,且未考虑不同浓度区间对引信响应特性的影响等问题,提出基于浓度分层的烟幕等效试验场景构建方法,结合烟幕干扰仿真模型及等效场景设计,设计并形成典型遭遇条件、不同浓度状态的烟幕区域,模拟引信接近及穿过烟幕干扰场景,基于引信在不同浓度分层、有无等效目标条件下的动态交会回波,复现引信在真实烟幕干扰环境下的响应特性,通过仿真和理论模型相结合的手段,支撑烟幕粒子及流动参数的适配性选择,具备实验室条件下引信抗烟幕干扰性能验证能力,满足激光引信抗烟幕遮蔽干扰指标及边界条件验证等需求。

Aimming at the current lack of laser fuze anti-interference dynamic verification test method,and the influence of different concentration intervals on the response characteristics of the fuze is not considered,a method of constructing smoke screen equivalent test scenes based on concentration stratification was proposed,combined with smoke screen interference simulation model and equivalent scene design,based on the dynamic cross-echo of the fuze in different concentration stratification and with or without equivalent target,the response characteristics of the fuze in the real smoke interference environment were reproduced,Through the combination of simulation and theoretical model,the adaptive selection of smoke screen particles and flow parameters were supported,the fuze had the ability to verify the anti-smoke interference performance under laboratory conditions,which met the requirements of the laser fuze's anti-smoke screen interference index and boundary condition verification.