QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:非平稳确定性信号与非平稳随机信号统一分类法的探讨

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Date of Publication:2015-02-25

Journal:通信学报

Included Journals:EI、PKU、ISTIC、CSCD

Volume:36

Issue:2

Page Number:1-10

ISSN No.:1000-436X

Key Words:非平稳信号;格林函数;边界稳定;调频调幅;谱分解;时频表示

Abstract:根据信号通过线性系统可产生新信号的理论,对非平稳确定性信号与非平稳随机信号的统一分类方法进行了深入研究,分别给出格林函数描述的线性时变系统法、调制函数作用于边界稳定线性系统的自激振荡正弦波法、随机输入线性时不变系统与边界稳定的与不稳定的线性系统组合法.这3种分类法便于对非平稳确定性信号与非平稳随机信号进行统一分类研究,并具有比较全面与系统性好的优点.

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