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From singular to nonsingular filtering of periodic systems: fillingthe gap with the spectral interactor matrix

机译:从周期系统的奇异滤波到非奇异滤波:用光谱相互作用体矩阵填补空白

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摘要

With reference to periodic discrete-time systems, the concept of the periodic spectral interactor matrix operator (PSIMO) is introduced. Such an interactor enables one to transform the singular system into a nonsingular one with identical spectral properties. This concept is useful to characterize the family of periodic solutions of the singular periodic Riccati equation arising from the singular filtering problem. The PSIMO is also a synthetic tool to represent the invariant zeros structure at infinity (delays) of periodic systems in an operational fashion
机译:参考周期性离散时间系统,介绍了周期性频谱交互器矩阵算子(PSIMO)的概念。这种相互作用器使人们能够将单个系统转换为具有相同光谱特性的非单个系统。该概念对于表征由奇异滤波问题引起的奇异周期Riccati方程的周期解族很有用。 PSIMO还是一种合成工具,以一种可操作的方式表示周期系统在无穷大(时延)处的不变零结构。

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