摘要
文章介绍了平滑伪Wigner-Vile分布时频分析的方法及解析变换的概念,给出了实信号解析变换的方法,给出了地震信号的平滑伪魏格纳时频变换的方法,并对地震信号的属性进行了解释。实验结果显示平滑伪魏格纳时频分布可以描述信号的非平稳的时频特性,该方法可以成为地震信号处理的一条有效的途径。
The time-frequency distribution of Smoothing Pseudo Wigner-Ville distribution （SP-WVD） was introduced in the paper, the definition of analytic transformation was presented together the method of Real signal. The method of SPWV time-frequency distribution was given. The method was used to explain the attributes of seismic signal. The results show that SPWVD can illustrate the behaviour of time-frequency localization and the character of nonstationary signal, the SPWVD can be a effective way to illustrate the behaviour of time-frequency localization of seismic signal.
出处
《新疆师范大学学报（自然科学版）》
2013年第3期1-4,28,共5页
Journal of Xinjiang Normal University(Natural Sciences Edition)
