A ECG signal noise reduction method based on esmd method
An electrocardiographic signal and noise reduction technology, applied in the field of medical signal processing, can solve problems such as signal weakening, and achieve the effect of improving the signal weakening problem.
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[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0032] like figure 1 As shown, the electrocardiogram noise reduction method based on the ESMD method provided by the present invention comprises the following steps:
[0033] (1) Decompose the original ECG signal containing noise to obtain a series of decomposed
[0034] Intrinsic mode function IMF, a residual term R and the instantaneous frequency of each order IMF component, the specific ste...
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