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本文系统地研究了线性离散系统中的航迹合成和分层估计问题。第一,推出全局最优集中估计解;第二,提出一种新形式的最优航迹合成解,并介绍了它的特点和性质;第三,系统地讨论了一种次优合成算法;第四,导出了次优与最优合成算法的关系。理论分析和仿真研究表明,在过程噪声较小的条件下,次优解与最优解的性能非常接近。
This paper systematically studies the trajectory synthesis and hierarchical estimation in linear discrete systems. First, the global optimal solution for centralized estimation is introduced. Secondly, a new form of optimal route synthetic solution is proposed and its characteristics and properties are introduced. Thirdly, a suboptimal synthesis algorithm is systematically discussed. Fourthly, the relationship between the suboptimal and the optimal synthesis algorithm is derived. Theoretical analysis and simulation results show that the performance of the suboptimal solution and the optimal solution are very close to each other under the condition of small process noise.