| 心率变异功率谱检测技术 |
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| 引用本文： | 俞晓青,丁文祥.心率变异功率谱检测技术[J].中国医疗器械杂志,1994,18(5):290-292. |
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| 作者姓名： | 俞晓青 丁文祥 |
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| 作者单位： | 上海儿科医学研究所，新华医院 |
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| 摘 要： | 本文报导一种研究心率变异（ＨＲＶ）功率谱分析技术，可用于无创伤性定量测定心脏植物神经活动。通过对连续心电信号的Ｒ－Ｒ间期检测，应用快速傅里叶变换计算ＨＲＶ功率谱，并采用分段平均和窗口技术以降低有限数据对结果的影响，使谱线光滑。
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| 关 键 词： | 功率谱，心率变异，傅里叶变换 |
A new technique for determining power spectrum of heart rate variability |
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| Yu Xiaoqing,et al.A new technique for determining power spectrum of heart rate variability[J].Chinese Journal of Medical Instrumentation,1994,18(5):290-292. |
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| Authors: | Yu Xiaoqing |
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| Institution: | Shanghai Institute for Pediatric Research |
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| Abstract: | A new technique for the computation of power spectrum of heart rate variability (HRV)and related microcomputer system are presented.That provides a noninvasive and quantitative technigeu for measure of the activities of autonomic nervous system.The power spectrum of HRV is computated from the R-R interval of consecutive ECG signals by digital techniques based on the Fast Fourier Transform (FFT).Segment averaging and window technique are taken to reduce the influence of limited data on the result and smooth the spectrum curve. |
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| Keywords: | power spectrum heart rate variability |
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