The optimality of two - stage state estimation in the presence of ARMA model random bias is studied.

考虑了具有ARMA模型 随机偏差的两段卡尔曼估值器的最优条件问题.

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Several criteria such as AIC and SIC are usually used in ARMA model selection.

AIC与SIC等 准则函数方法是ARMA模型选择过程中经常使用的方法.

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