%0 Journal Article
%T Wigner-Ville distribution analysis method of fractionallower-order alpha stable distribution<br>α稳定分布下信号的维格纳分布分析方法
%A CHEN Ding
%A ZHU Ya-jun
%A JIANG Jin-long
%A GAO Yu-bao
%A <br>陈　丁
%A 朱亚军
%A 江金龙
%A 高玉宝
%J 计算机应用研究
%D 2012
%I 
%X It is not enough that only using a dimension analysis method for non-stable signal in alpha stable distribution noise, and it can need a two-dimensions time-frequency one. In the analysis of the existing time-frequency analyzing method, it found that the signal of background noise was assumed Gaussian distribution, so the performance of the time-frequency domain analysis for signal of noise in such non-Gaussian distribution as FLOA was in severe degradation. Focus on this problem, this paper proposed a novel Wigner-Ville distribution analysis method of fractional lower-order alpha stable distribution based on conventional Wigner-Ville distribution. Simulations show that the proposed method has more excellent performance than conventional Wigner-Ville distribution in time-frequency analyzing of alpha stable distribution process and is a new one in time-frequency domain research of alpha stable distribution.
%K FLOA
%K time-frequency analysis
%K Wigner-Ville distribution(WVD)<br>FLOA
%K 时频分析
%K 维格纳分布
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=06EDAB79A5CA7ADDD80C46D260699740&yid=99E9153A83D4CB11&vid=771469D9D58C34FF&iid=5D311CA918CA9A03&sid=3CB52348BF706687&eid=917ED002A95B58B8&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=9