| 隐马尔柯夫模型在信号检测中的应用 |
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| 引用本文： | 刘国亭,赵瑞云.隐马尔柯夫模型在信号检测中的应用[J].上海交通大学学报,1997,31(4):114-117. |
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| 作者姓名： | 刘国亭 赵瑞云 |
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| 摘 要： | 用隐滤波器隐马尔哥尔夫模型从相似功率谱噪声中检测脑电信号，运用似然比检验的方法对混有噪声的脑电信号进行检测。实践表明，该方法检测效果较好，在－１８ｄＢ信噪比时仍得到满意的ＲＯＣ曲线。
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| 关 键 词： | 脑电信号 隐马氏模型 信号模型 |
Application of Hidden Markov Model in Signal Detection |
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| Liu Guoting,Zhao Ruiyun.Application of Hidden Markov Model in Signal Detection[J].Journal of Shanghai Jiaotong University,1997,31(4):114-117. |
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| Authors: | Liu Guoting Zhao Ruiyun |
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| Institution: | Institute of Biomedical Engineering |
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| Abstract: | The detection of EEG signal buried in noise with the similar power spectrum is investiga ted. By using the hidden filter hidden Markov model (HFHMM),a likelihood radio test is adopted to detect combined signal and noise,and good experimental ROC for a variety of SNR down to -18 dB is obtained. |
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| Keywords: | signal detection hidden Markov model electroencephalogram signal |
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