Aliasing-free discrete-time time-frequency distribution

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	Aliasing-free discrete-time time-frequency distribution
	Gao, Qianli ; Zhao, Qun ; Chi, Huisheng
刊名	北京大学学报自然科学版
	1999
英文摘要	Cohen's bilinear time-frequency distribution has received considerable attention as a powerful tool for analyzing nonstationary signals. In this paper, a new discrete-time time-frequency distribution is introduced. Unlike the existing analytic signal method, the new one utilizes all signal local autocorrelation information, so that, without computing analytic signal, one can avoid aliasing when the signal is sampled at one Nyquist's rate. Some desirable distribution properties and associated kernel requirements are also discussed.; EI; 0; 1; 112-118; 35
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/408594]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Gao, Qianli,Zhao, Qun,Chi, Huisheng. Aliasing-free discrete-time time-frequency distribution[J]. 北京大学学报自然科学版,1999.
APA	Gao, Qianli,Zhao, Qun,&Chi, Huisheng.(1999).Aliasing-free discrete-time time-frequency distribution.北京大学学报自然科学版.
MLA	Gao, Qianli,et al."Aliasing-free discrete-time time-frequency distribution".北京大学学报自然科学版 (1999).