Caracterizarea Semnalelor Tranzitorii Folosind Analiza Multi-Întârziere Din Spaţiul Stărilor (Transient Signal Characrecterization Using Multi-Lag Phase Space Analysis)

Impactul transformărilor socio-economice și tehnologice la nivel national, european si mondial; Nr.8/2015, Vol.8

9 Pages Posted: 14 Oct 2015

See all articles by Angela Digulescu

Angela Digulescu

Military Technical Academy

Cindy Bernard

National Institute Polytechnique Grenoble

Cornel Ioana

National Institute Polytechnique Grenoble

Elvira Lungu

Independent

Nicolaescu Ioan

Military Technical Academy

Date Written: October 12, 2015

Abstract

Romanian Abstract: Semnalele tranzitorii sunt greu de caracterizat din cauza duratei scurte şi a spectrului bogat. Metodele clasice bazate pe analiza timp-frecvenţă se folosesc cu succes pentru detecţia acestora, însă caracterizarea lor este limită pentru semnale cu parametrii apropiaţi. Lucrarea de faţă prezintă analiza multi-întârziere din spaţiul stărilor, o alternativă la metodele clasice de caracterizare a semnalelor. Noi unelte dezvoltate pentru această metodă au fost aplicate pe semnale sintetice şi rezultatele obţinute au fost comparate cu cele obţinute din analiza timp-frecvenţă.

English Abstract: Transient signals are very difficult to characterize because of their short duration and broad spectrum. Classical methods based on the time-frequency analysis are successfully used for their detection, but their characterization is limited when it comes to signals with similar parameters. This paper presents the multi-lag phase space analysis, an alternative to the classical signal characterization methods. New tools developed for this method are applied on synthetic signals and the results are compared with the results obtained from the time-frequency analysis.

Note: Downloadable document is in Romanian.

Keywords: transient, multi-lag, phase space, time-frequency

JEL Classification: A30

Suggested Citation

Digulescu, Angela and Bernard, Cindy and Ioana, Cornel and Lungu, Elvira and Ioan, Nicolaescu, Caracterizarea Semnalelor Tranzitorii Folosind Analiza Multi-Întârziere Din Spaţiul Stărilor (Transient Signal Characrecterization Using Multi-Lag Phase Space Analysis) (October 12, 2015). Impactul transformărilor socio-economice și tehnologice la nivel national, european si mondial; Nr.8/2015, Vol.8, Available at SSRN: https://ssrn.com/abstract=2672881

Angela Digulescu (Contact Author)

Military Technical Academy ( email )

Bulevardul George Coşbuc nr. 39-49
Sector 5
Bucharest, 050141
Romania

Cindy Bernard

National Institute Polytechnique Grenoble ( email )

Grenoble
Grenoble
France

Cornel Ioana

National Institute Polytechnique Grenoble ( email )

Grenoble
Grenoble
France

Elvira Lungu

Independent ( email )

Nicolaescu Ioan

Military Technical Academy ( email )

Bulevardul George Coşbuc nr. 39-49
Sector 5
Bucharest, 050141
Romania

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