CAJ | 학술논문

利用小波变换对心电图中的QRS波进行定位。传统的信号分析方法傅立叶变换只适于周期的、稳态的信号。心电图往往存在许多随机信号。小波分析具有良好的时频局部化性质，对信号的突变点、奇异点有很好的识别能力，是心电图分析中的有力工具。
이용소파변환대심전도중적QRS파진행정위。전통적신호분석방법부립협변환지괄우주기적、은태적신호。심전도왕왕존재허다수궤신호。소파분석구유량호적시빈국부화성질，대신호적돌변점、기이점유흔호적식별능력，시심전도분석중적유력공구。
This paper introduce a method to detecte the locations of the QRS waves in ECG. The traditional signal analysis method is Fourier analysis and it is only applied to steady and periodically signals. In ECG there are always many stochastic signals. Wavelet analysis has a good effect on processing unsteady signals and is very useful in ECG analysis.