期刊文献+

一种改进的时频分布算法及其在医学信号处理中的应用 被引量:3

The application of an improved time - frequency distribution algorithm for bio - medical Signals
下载PDF
导出
摘要 本文介绍了维格纳时频分布及其改进的一种时频分布的算法实现,并比较它们对线性调频信号的时频表述的特性。研究表明这个改进的具有锥形基底的高斯型核函数的时频分布有明显的交叉干扰项抑制作用,我们将这个改进时频分布方法应用于心电信号和盆腔用抗血流信号分析中,很好地表示了这些信号的时频结构,表明这种时频方法是对生物医学信号进行深入研究的有效途径。
机构地区 西安交通大学
出处 《重庆医科大学学报》 CAS CSCD 1998年第3期230-233,共4页 Journal of Chongqing Medical University
  • 相关文献

参考文献2

二级参考文献5

  • 1叶继伦,陈良迟,谢正祥,李永安,张川平,陈彩云.计算机化运动心电自动分析系统[J].中国医疗器械杂志,1996,20(4):196-197. 被引量:8
  • 2Liang Jie,ICNNSP’95,1995年
  • 3Zhang Jun,IEEE Trans Signal Process,1995年,43卷,6期,1485页
  • 4Lin Zhiyue,IEEE Trans Biomed Eng,1994年,41卷,3期,267页
  • 5Zhang Q,IEEE Trans Neural Netw,1992年,3卷,6期,889页

共引文献10

同被引文献15

  • 1BLANCO S,FIGLIOLA A, QUIAN QUIROGA R. Time-Frequency analysis of electroencephalogram series. III Wavelet packets and information cost function [ J ]. The American Physical Review E, 1998, 57(1) :932-940.
  • 2MICHAEL UNSER. Wavelets, statistics, and biomedical applications[ A ]. Proe 8th IEEE Workshop on Statistical Signal and Army Processing[ C ]. Corfu,Greece:IEEE, Press,1996.
  • 3WILLIAMS W J. Recent advances in time-frequency representations: Some theoretical foundations [ A ]. Time Frequency and Wavelets in Biomedical Signal Processing [ C ].Akay :IEEE Press Series in Biomedical Engineering, 1997.
  • 4JI ZHONG, QIN SHUREN. Detection Of EEG Basic Rhythm Feature By Using Band Relative Intensity Ratio(BRIR) [A].The 28th IEEE International Conference on Acoustics, Speech,and Signal Processing (ICASSP) [C]. Hongkang:the local printing press limited,2003.
  • 5LEON COHEN. Time-Frequency Analysis: Theory and Applications[M]. USA: Prentice Hall, 1995.
  • 6IR EDWARD E E FRIETMAN, CEES J STAM. Use of artificial neural networks for automatic description and interpretation of the Electroencephalogram [ EB/OL ]. http ://www.ph. tn. tudelft. nl/- ed/EEG. html, 2002 -02 - 19/2003 -06 - 14.
  • 7Leon Cohen. Time-Frequency Analysis: Theory and Application. USA: Prentice Hall,1995.
  • 8Schimicek P, Zeitlhofer J. etc. Automatic Sleep-Spindle Detection Procedure: Aspects of Reliability and Validity. Clinical Encephalography, 1994 Vol. 25 No. 1 p26-29.
  • 9Campbell K., Kumar A. etc. Human and automatic validation of a phase-locked loop spindle detection system Electroencephalography Clin. Neurophysiol., 48:p602-605,1980.
  • 10Fish D.R., Allen P.J., etc. A new method for the quantitative analysis of sleep spindles during continuous overnight EEG recordings. Electroencephalogy Clin. Neurophysiol 70:p273-277,1988.

引证文献3

二级引证文献21

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部