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提出了利用二进小波变换的方法对临床动态心电图进行时颇域的分析，解决了因为信号质量和干扰带来的测量技术困难，在心肌运动缺血的动态心电图S-T段的时频域的特征识别方面得到了满意的结果。
In this paper, the method of dyadic wavelet transform is used to analyze the time domain of clinical dynamic electrocardiogram, and the difficulty of measurement technology due to signal quality and interference is solved. The characteristics of time-frequency domain of dynamic electrocardiogram ST segment in myocardial ischemic movement are analyzed. Recognition has achieved satisfactory results.