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近年来,小波技术越来越成为一种有效的信号处理手段。本文介绍了小波的时频局部化和多尺度特性以及它在信号奇异性探测、瞬态信号检测领域中的应用。并以ECG信号分析为例,较全面地说明了小波在信号处理中的实现手段。最后,对小波可进一步应用的领域作了展望。
In recent years, wavelet technology has become an effective signal processing method. This paper introduces the time-frequency localization and multi-scale characteristics of wavelet as well as its applications in the field of signal singularity detection and transient signal detection. Taking the ECG signal analysis as an example, this paper gives a comprehensive description of the means of wavelet in signal processing. Finally, the prospect of the further application of wavelet is prospected.