ID 原文 译文
8634 以相邻信息流转策略之间的演化距离最小为优化目标,建立了网络化作战信息流转策略的适应性演化模型; With the evolution of the distance between adjacent information transfer strategy, and objective function is minimum to establish the adaptive evolution model of networked information transfer strategy;
8635 然后,采用逐次优化算法搜索最优演化路径,并给出了相应的算法流程及求解步骤。 Then, using the successive optimization algorithm to search the optimal evolution path, and gives the corresponding algorithm process and steps.
8636 最后,通过空中进攻作战案例分析,验证了模型与方法的可行性、有效性。 Finally, through the air offensive operations case analysis to verify the feasibility and effectiveness of the model and method.
8637 火星探测捕获的误差传播是设计任务方案时需考虑的重要问题。 Mars, capture the error propagation of design task program is important problem should be considered.For the capture of the three different strategies:
8638 针对3种不同的捕获策略:推力沿速度反方向、推力方向固定和匀速转动,基于协方差分析描述函数技术(covariance analysis describing equation technique,CADET)法建立了轨道状态均值和均方差的传播方程,误差源包括初始状态误差、模型误差、执行误差等。 thrust along a fixed speed in the opposite direction, thrust direction and uniform rotation, based on covariance analysis describing function technique (covariance analysis describing equation technique, CADET) method establishes the mean and mean square error of orbit propagation equation of error sources including initial state error and model error, execution, etc.
8639 仿真整个捕获过程,利用CADET方法分析单一误差和综合误差对每种捕获策略入轨精度的影响,以蒙特卡罗法为基准评估其准确性。 The whole capture process simulation, using single CADET method error and the comprehensive influence on precision orbit each capture strategy, based on monte carlo method to evaluate its accuracy.
8640 结果表明,CADET法能够高精度地计算不同的误差传播,且速度快,具有一定的工程实用性,可为我国未来火星探测任务的轨道捕获段实施方案提供参考。 The results show that the CADET method can accurately calculate different error propagation, and speed, has certain engineering practicability, to capture the orbit of Mars missions in our country in the future period of implementation to provide the reference.
8641 超低空目标与环境之间存在耦合多径效应,产生"镜像"虚假目标,严重恶化协方差矩阵估计和运动目标检测性能。 A low-level coupling between the target and environment multipath effect, the "mirror" false targets, serious deterioration of covariance matrix estimation and moving target detection performance.
8642 针对这一问题,该文提出基于时域优化的多点联合幅相约束的稳健空时自适应处理(space-time adaptive processing,STAP)方法。 In order to solve this problem, this paper put forward based on time domain optimization more joint amplitude-phase constrained robust space-time adaptive processing (space - time the adaptive processing, STAP) method.
8643 基于超低空目标及其"镜像"目标多普勒扩展特性的分析,提出了目标及临近空时二维域多点联合幅相约束的STAP方法,并基于保形约束推导了时域响应的解析解,实现了STAP二维响应的主瓣保形,克服了目标多径效应造成的检测性能损失。 Goals based on a low-level and extend the "mirror" target doppler characteristics of analysis, put forward the goal and near the space-time two-dimensional domain joint amplitude-phase multi-point constraints of STAP method, and based on the conformal constraints, the time domain response of analytical solution is deduced, implements the STAP two-dimensional response of main lobe conformal, overcome the target detection performance loss caused by multipath effect.