两种新的机动目标仿真模型

Two New Maneuvering Target Simulation Methods

跟踪模型与目标实际运动是否吻合是影响机动目标跟踪效果的关键,为了验证机动目标跟踪算法性能,需要构建与实际情形相类似的复杂运动仿真模型。借鉴Singer模型思想,引入加速度时间相关系数,构造了时间相关系数可控的机动目标仿真模型,并验证分析了时间相关系数不匹配条件下,Singer机动目标跟踪算法的适配性能;针对传统协同转弯模型只考虑法向加速度变化,而将切线加速度的大小始终假设为0,与实际复杂运动吻合度不高的问题,构造了兼顾两种加速度的加速转弯仿真模型。仿真结构表明:传统交互式多模型不能精确稳定跟踪该类仿真轨迹,证明了较仿真模型的复杂性和独特性。

To verify the performance of maneuvering target tracking algorithm,it's necessary to build a complex motion simulation model similar to the actual target motion situation.A simulation model of maneuvering target with controllable time correlation coefficient is constructed based on the idea of Singer model,and the suitability of Singer's maneuvering target tracking algorithm is verified when the time correlation coefficient does not match.Aiming at the problem that the traditional coordinated turning model only considers the change of normal acceleration,and the tangential acceleration is always assumed to be 0,which is not highly consistent with the actual complex motion,a simulation model of accelerating turning that takes into account two kinds of acceleration is constructed.Simulation results show that the traditional interactive multi-model cannot track the simulation trajectory stably and accurately.The complexity and particularity of the simulation model in this paper are proved.