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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >IMM tracking of maneuvering targets in the presence of glint
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IMM tracking of maneuvering targets in the presence of glint

机译：在存在闪光的情况下，IMM跟踪机动目标

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摘要

A problem of handling multiple types of discrete uncertainties (modes) in a dynamic system is addressed. The dynamic model for a target that exhibits maneuvers (one type of discrete uncertainty) and radar measurements that are perturbed by glint noise (another type of discrete uncertainty) is an example of such hybrid system with two independent mode sets. It is shown how an interacting multiple model (IMM) estimator can be efficiently designed for such systems. Doing the mixing step of the IMM in a number of layered stages, yields some computational savings when the mode sets are independent. Computer simulations are provided for two examples of maneuvering targets in the presence of glint. The results show that the IMM estimator with layered sets of models for glint and maneuver yields better performance (in terms of position and velocity root mean square error) compared with an IMM which handles maneuvers via multiple models and glint via nonlinear "score function" based filters.
机译：解决了在动态系统中处理多种类型的离散不确定性（模式）的问题。表现出机动性（一种离散不确定性的一种）的目标的动态模型和受闪烁噪声干扰的雷达测量值（另一种离散不确定性的动态模型）是这种具有两个独立模式集的混合系统的示例。展示了如何针对此类系统有效地设计交互多模型（IMM）估计器。当模式集独立时，在多个分层阶段中执行IMM的混合步骤会节省一些计算量。提供了计算机模拟，用于在出现闪光的情况下操纵目标的两个示例。结果表明，与通过多个模型处理机动和通过基于非线性“得分函数”处理机动的IMM相比，具有分层的机动和机动模型模型的IMM估计器具有更好的性能（在位置和速度均方根误差方面）过滤器。

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