| 膈神经放电信号的一种计算机分析方法 |
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| 引用本文： | 刘勇,徐美丽,席德宁. 膈神经放电信号的一种计算机分析方法[J]. 四川大学学报(医学版), 1992, 0(4) |
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| 作者姓名： | 刘勇 徐美丽 席德宁 |
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| 作者单位： | 华西医大生理教研室(刘勇，徐美丽)，华西医大计算机中心(席德宁) |
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| 基金项目： | 国家自然科学基金，纽约中华医学基金~~ |
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| 摘 要： | 作者提出了一种膈神经放电信号的计算机分析方法,用以克服该信号手工分析时存在的问题。计算机通过对膈神经放电信号的采集、数字整流与滤波等处理后,可得到放电的包络图,从中能自动测量一些重要参数。动物实验证实程序能较好地执行这些功能。统计学分析表明,人工测量结果与计算机测量结果之间无显著性差异。
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| 关 键 词： | 膈神经放电信号 计算机 数字整流与滤波 |
A Computerized Analysis of Phrenic Nerve Discharge Signal |
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| Liu Yong,Xu Meili,Xi Dening. A Computerized Analysis of Phrenic Nerve Discharge Signal[J]. Journal of Sichuan University. Medical science edition, 1992, 0(4) |
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| Authors: | Liu Yong Xu Meili Xi Dening |
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| Affiliation: | Liu Yong;Xu Meili;Xi Dening Department of Physiology Center of Computer |
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| Abstract: | The authors offered a methodof computerized analysis to solve the pro-blems met in the manual measurement of thesignal of phrenic nerve discharge (PND).An envelope was gained via digital full-wave rectification and filter from the acqu-ired PND aignal. From it, some importantparameters were measured automatically.The program ran well in animal experi-ments. The values of the PND parameters.obtained by computer showed no significantdifference as compared with the averagedvalues measured manually by researchers. |
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| Keywords: | Phrenic nerve discharge Computer Digital rectification and filter |
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