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卡尔曼滤波器在海马场电位ripple节律分析中的应用

张栌 林龙年

张栌, 林龙年. 卡尔曼滤波器在海马场电位ripple节律分析中的应用[J]. 华东师范大学学报(自然科学版), 2011, (6): 81-88.
引用本文: 张栌, 林龙年. 卡尔曼滤波器在海马场电位ripple节律分析中的应用[J]. 华东师范大学学报(自然科学版), 2011, (6): 81-88.
ZHANG Lu, LIN Long-nian. Analysis of hippocampal ripple osillations by application of Kalman filter[J]. Journal of East China Normal University (Natural Sciences), 2011, (6): 81-88.
Citation: ZHANG Lu, LIN Long-nian. Analysis of hippocampal ripple osillations by application of Kalman filter[J]. Journal of East China Normal University (Natural Sciences), 2011, (6): 81-88.

卡尔曼滤波器在海马场电位ripple节律分析中的应用

详细信息
  • 中图分类号: Q6

Analysis of hippocampal ripple osillations by application of Kalman filter

  • 摘要: 利用自适应自回归(adaptive autoregressive, AAR)模型和卡尔曼滤波器算法,分析小鼠海马CA1区场电位ripple高频振荡的时频特性.研究发现,与传统的基于短时傅立叶变换的实时频谱分析方法相比,利用AAR模型以及卡尔曼滤波器算法的参数化方法在对ripple高频振荡信号进行实时频谱分析时,具有更高的时域和频域分辨率.因此,基于卡尔曼滤波器得到的ripple能量变化,可更为准确、实时地反映ripple高频振荡的发生与变化过程.
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出版历程
  • 收稿日期:  2010-11-01
  • 修回日期:  2011-01-01
  • 刊出日期:  2011-11-25

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