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本文介绍了用实时频谱分析法和滤波器法对人体心电信息作频谱分析。实验结果表明,人体十二导联心电信息频谱频率上限的最大值在工程上可以认为是在30Hz 左右,因而,高端截止频率为30Hz 的特性良好的低通电路系统即可满足不失真地传输心电信号。
This article describes the use of real-time spectrum analysis and filter method for the human body ECG information for spectrum analysis. The experimental results show that the maximum value of the human body 12-lead ECG frequency spectrum upper limit can be considered as about 30 Hz in engineering, therefore, the high-end cut-off frequency of 30 Hz can be transmitted without distortion ECG signal.