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本文围绕反映心肌复极过程心电参数的提取进行了实验研究，提出了ST电平测量点随心率自适应调整的概念，并根据临床经验制定了调整的方案。同时，根据动态心电图发展的需要，分别提取了ST－T段分段面积和有效面积作为动态心电图系统的特征参数。
This paper focuses on the experimental study of the extraction of ECG parameters reflecting the process of repolarization of myocardium. The concept of adaptive adjustment of the measurement point of the ST level with the heart rate is proposed, and the adjustment plan is formulated according to clinical experience. At the same time, according to the need of development of Holter, the segmented area and effective area of ST-T segment were extracted respectively as the characteristic parameters of Holter monitoring system.