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提出了一种基于曲线拟合来识别心电图中Ｐ波的方法。实验表明，用二次曲线逼近方法识别Ｐ波、确定Ｐ波起止点的方法简便实用，ＭＩＴ心电数据库检验正确率达９９％。
A method based on curve fitting to identify P wave in ECG was proposed. Experiments show that the quadratic curve approximation method to identify P wave, P wave to determine the starting and ending point of the method is simple and practical, MIT ECG test accuracy of 99%.