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基于小波变换的脉搏波信号去噪 被引量:5

Pulse Wave Signal Denoising Based on the Wavelet Transform
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摘要 利用Mallat算法对脉搏波信号进行多分辩分析和去噪,具有品质因数恒定、运算量小、分解尺度可调的优点,且去噪效果好.整个系统基于MSP430单片机实现,完成了对脉搏波检测的功能,效果较好,有一定的实际应用价值. Mallat algorithm for completing the multi-resolution analysis and denoising of the pulse wave is used, and the method has many advantages, including a constant quality factor, a small amount of the computation and a flexible decomposing scale. The whole system based on MSP430 chip realize the function of signal detection preferably, and it is also proved to be valuable in practice.
出处 《河北工业大学学报》 CAS 2005年第4期82-85,共4页 Journal of Hebei University of Technology
关键词 脉搏波 小波变换 MALLAT算法 信号去噪 pulse wave wavelet transform: Mallat algorithm: signal denoising
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参考文献4

  • 1Erie Jones, paul Runkle, Lawrence Carin. Genetic Algorithrm Wavelet Design for Signal Clsassification [J]. Pattern Analysis and Machine Intekllgence, 2001, 22 (4): 90-95.
  • 2Ramsey M W, Stewart W R, Jones C J H. Real-time measurement of pulse wave velocity from arterial pressure waveforms [J]. Medical & Biological Engineering & Computing, 1995, 29 (4): 631-645.
  • 3崔锦泰.小波分析导论[M].西安:西安交通大学出版社,1995..
  • 4Mallat S G. A theory for multi-resolution signal decomposition: the wavelet representation [J]. IEEE Trans on Pattern Analysis and Machine Intelligence,1989, 11 (5): 674-693.

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