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APPLICATION OF FRACTAL THEORY IN TRANSIENT CHAOTIC SIGNAL DETECTION

APPLICATION OF FRACTAL THEORY IN TRANSIENT CHAOTIC SIGNAL DETECTION
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摘要 According to the definition of correlation dimension in fractal theory, this paper presented a method to determine and assess noise part in detected transient signal. Such work is essential to decrease the noise part in the detected signal. It is proved that heart period signal (HPS) is one typical sort of transient chaotic signal. Through experiment and simulation, the analysis of chaotic HPS in the detected signal was done. In the end, we deepen the researches on attractor dimension of HPS for persons who are different in age. According to the definition of correlation dimension in fractal theory, this paper presented a method to determine and assess noise part in detected transient signal. Such work is essential to decrease the noise part in the detected signal. It is proved that heart period signal (HPS) is one typical sort of transient chaotic signal. Through experiment and simulation, the analysis of chaotic HPS in the detected signal was done. In the end, we deepen the researches on attractor dimension of HPS for persons who are different in age.
出处 《Journal of Shanghai Jiaotong university(Science)》 EI 2002年第1期4-7,共4页 上海交通大学学报(英文版)
关键词 FRACTAL correlation DIMENSION CHAOS ATTRACTOR DIMENSION HEART period signal ELECTROCARDIOGRAPH fractal correlation dimension chaos attractor dimension heart period signal electrocardiograph
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参考文献3

  • 1Goldberger Al.Chaos and fractal in human physiology[].Science Am.1990
  • 2Mond H G.The cardiac pacemaker , function, and malfunction[]..1983
  • 3Denton T A.Fascinating rhythm: A primer on chaos theory and its application to cardiology[].American Heart Journal.

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