多变量自回归信号信息融合辨识方法

Modern Electronics Technique(2012)

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Abstract
近年来,为了提高系统模型和状态估计的精度,多传感器数据融合引起了广泛关注。对于带白色公共干扰噪声和有色观测噪声的多传感器多变量自回归(AR)模型,当AR模型参数和噪声方差未知时,提出了一种信息融合多段辨识方法,其中采用多维递推辅助变量(MRIV)方法得到AR模型参数的局部和融合估值器,再用相关方法得到局部和融合噪声方差估值器。这些估值器具有一致性,通过一个信号仿真例子验证了其有效性。
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Key words
information fusion estimator,multivariable AR mode,multidimensional recursive instrumental variable algorithm,consistency,information fusion multi-stage identification method
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