提出了约束条件下(目标防御系统的威胁)对运动目标纯方位定位的观测器轨迹优化问题;建立了该条件下观测器轨迹优化模型,性能指标函数的选取是基于Fisher信息矩阵(Fisher Information Matrix,FIM)行列式的最大化,运用遗传算法解该优化问...提出了约束条件下(目标防御系统的威胁)对运动目标纯方位定位的观测器轨迹优化问题;建立了该条件下观测器轨迹优化模型,性能指标函数的选取是基于Fisher信息矩阵(Fisher Information Matrix,FIM)行列式的最大化,运用遗传算法解该优化问题得到优化轨迹;最后采用高斯粒子滤波估计目标状态.为了说明优化轨迹对定位效果的影响,分别给定直线运动和蛇行机动两类轨迹,并在无威胁约束和有威胁约束的情况下,同优化轨迹定位效果作比较.Monte-Carlo仿真结果表明:优化轨迹的定位精度优于蛇行机动和直线运动;对于不同威胁度下的优化轨迹,威胁越小对应的定位精度越高.展开更多
:In "Have Both Hard and Soft" systems, the soft targets and hard targets are divided into twodistinct target system. The measured results of soft target system are regarded as a matrix with intervalnumbers....:In "Have Both Hard and Soft" systems, the soft targets and hard targets are divided into twodistinct target system. The measured results of soft target system are regarded as a matrix with intervalnumbers. On the basis of Topsis method, we discuss a new Topsis evaluation method on "Have Both Hardand Soft" systems, which combined soft targets with hard targets.展开更多
In ″Have both Soft and Hard″ systems, the soft targets and hard targets are divided two distinct target system. The measured results of soft target system are regarded as a matrix with interval numbers. On the basis...In ″Have both Soft and Hard″ systems, the soft targets and hard targets are divided two distinct target system. The measured results of soft target system are regarded as a matrix with interval numbers. On the basis of incidence degree. We discussed a method of synthetical appraisal on ″Have both Soft and Hard″ systems, which combined soft targets with hard targets.展开更多
文摘提出了约束条件下(目标防御系统的威胁)对运动目标纯方位定位的观测器轨迹优化问题;建立了该条件下观测器轨迹优化模型,性能指标函数的选取是基于Fisher信息矩阵(Fisher Information Matrix,FIM)行列式的最大化,运用遗传算法解该优化问题得到优化轨迹;最后采用高斯粒子滤波估计目标状态.为了说明优化轨迹对定位效果的影响,分别给定直线运动和蛇行机动两类轨迹,并在无威胁约束和有威胁约束的情况下,同优化轨迹定位效果作比较.Monte-Carlo仿真结果表明:优化轨迹的定位精度优于蛇行机动和直线运动;对于不同威胁度下的优化轨迹,威胁越小对应的定位精度越高.
文摘:In "Have Both Hard and Soft" systems, the soft targets and hard targets are divided into twodistinct target system. The measured results of soft target system are regarded as a matrix with intervalnumbers. On the basis of Topsis method, we discuss a new Topsis evaluation method on "Have Both Hardand Soft" systems, which combined soft targets with hard targets.
文摘In ″Have both Soft and Hard″ systems, the soft targets and hard targets are divided two distinct target system. The measured results of soft target system are regarded as a matrix with interval numbers. On the basis of incidence degree. We discussed a method of synthetical appraisal on ″Have both Soft and Hard″ systems, which combined soft targets with hard targets.