| Based on Wavelet Transform to Extract and Analyze Rabbit Somatosensory Evoked Potential |
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| 引用本文： | LI Zhang-yong,LIU Sheng-rong,XlE Zheng-xiang,LU Jie. Based on Wavelet Transform to Extract and Analyze Rabbit Somatosensory Evoked Potential[J]. 保鲜与加工, 2006, 0(3): 119-123 |
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| 作者姓名： | LI Zhang-yong LIU Sheng-rong XlE Zheng-xiang LU Jie |
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| 作者单位： | 1. College of Bio-information, Chongqing University of Posts and Telecommunications, Chongqing 400065, China; 2. Department of Biomedical Engineering, Chongqing University of Medical Sciences, Chongqing 400016, China; 3. Department of Physiology, Chongqi |
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| 摘 要： | To extract rabbit somatosensory evoked potential(SEP),the authors locate waveform of rabbit SEP and analyze it.The rabbit was narcotized and stimulated by 0.5 Hz electric pulse.Potential of scalp was sampled at 3 764 Hz.Rabbit somatosensory evoked potential was extracted by one-dimension multi-resolution analysis,and continuous wavelet transform(CWT) was employed to locate and analyze the wave of SEP.The results show that Single-trail SEP can be extracted by Daubechies wavelet,when compared wavelet transform result of single-trail with result of averaged SEP.Wave component of SEP can be located precisely through the method of continuous wavelet transform.Frequency feature of SEP can also be analyzed by CWT.The technique of continuous wavelet transform,which can project a one-dimension signal into a two-dimension time-frequency space,will become a useful method to process medical electronic signal.
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| 关 键 词： | somatosensory evoked potential wavelet transform single-trial multi-resolution analysis fast Fourier transform |
| 收稿时间： | 2005-11-08 |
| 修稿时间： | 2005-11-08 |
Based on Wavelet Transform to Extract and Analyze Rabbit Somatosensory Evoked Potential |
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| LI Zhang-yong,LIU Sheng-rong,XlE Zheng-xiang,LU Jie. Based on Wavelet Transform to Extract and Analyze Rabbit Somatosensory Evoked Potential[J]. Storage & Process, 2006, 0(3): 119-123 |
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| Authors: | LI Zhang-yong LIU Sheng-rong XlE Zheng-xiang LU Jie |
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| Affiliation: | 1. College of Bio-information, Chongqing University of Posts and Telecommunications, Chongqing 400065, China; 2. Department of Biomedical Engineering, Chongqing University of Medical Sciences, Chongqing 400016, China; 3. Department of Physiology, Chongqi |
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| Abstract: | To extract rabbit somatosensory evoked potential(SEP),the authors locate waveform of rabbit SEP and analyze it.The rabbit was narcotized and stimulated by 0.5 Hz electric pulse.Potential of scalp was sampled at 3 764 Hz.Rabbit somatosensory evoked potential was extracted by one-dimension multi-resolution analysis,and continuous wavelet transform(CWT) was employed to locate and analyze the wave of SEP.The results show that Single-trail SEP can be extracted by Daubechies wavelet,when compared wavelet transform result of single-trail with result of averaged SEP.Wave component of SEP can be located precisely through the method of continuous wavelet transform.Frequency feature of SEP can also be analyzed by CWT.The technique of continuous wavelet transform,which can project a one-dimension signal into a two-dimension time-frequency space,will become a useful method to process medical electronic signal. |
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| Keywords: | somatosensory evoked potential wavelet transform single-trial multi-resolution analysis fast Fourier transform |
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