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消除右胸电阻抗容积波中呼吸干扰的方法 被引量:3

The Method of Reducing Respiratory Interference in Right Chest Impedance Wave.
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摘要 目的消除右胸电阻抗容积波中呼吸的干扰。方法首先讨论了对传统抗呼吸干扰的相干平均法改进 ,同时提出了估计拟合呼吸波和时域切比雪夫正交多项式消除呼吸干扰的方法。结果 3种处理方法结果表明 ,估计拟合呼吸波方法在实时性和保持逐拍信息性方面要优于其他两种。结论解决了实时监护的难点。 Objective To find a method of reducing Respiratory Interference in measurement of right chest impedance. Method The improvement of coherent averaging method of Reducing Respiratory Interference was discussed,and evaluation-fitting respiratory wave and filter of Chebyshev's polynomial as presented. Result The result indicated that evaluation-fitting of respiratory wave is better than other methods in its character of real time and keeping pulse information. Conclusion It solved difficulty in real time monitoring.
出处 《航天医学与医学工程》 CAS CSCD 2000年第6期431-434,共4页 Space Medicine & Medical Engineering
关键词 阻抗容积图 相干平均 呼吸干扰 临床监护 impedance plethysmography coherent average evaluation fitting respiratory interference filter of Chebyshev's cross polynomial clinical custodial care Address reprint requests to:Guo Jian-Ping.Institute of Space Medico-Engineering,Beijing,1000
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