褚东升,宁云磊,张玲

• 1:中国海洋大学工程学院

摘要(Abstract)：

带乘性噪声系统由于其广泛的适用性,一直成为研究的热点。针对带乘性噪声系统状态最优估计的自适应算法进行研究,探讨在噪声服从平稳正态分布情况下,对未知动态噪声方差阵与观测噪声方差阵的辨识问题。在证明带乘性噪声系统新息在稳态时和线性系统新息有着相似稳定特性的前提下,通过对线性系统辨识方法的改进,完成对带乘性噪声系统噪声方差阵的辨识,并利用新息特性对该方法进行进一步改进,以提高辨识精度;最后通过仿真验证该方法的有效性。

关键词(KeyWords)： 乘性噪声;状态滤波;自适应;新息协方差

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(60704023);; 山东省自然科学基金项目(ZR2010DQ003)资助

作者(Author): 褚东升,宁云磊,张玲

DOI: 10.16441/j.cnki.hdxb.2011.12.018

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