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An automatic time-frequency procedure for interference suppression by exploiting their geometrical features

المؤلفSaulig, Nicoletta
المؤلفSucic, Victor
المؤلفBoashash, Boualem
تاريخ الإتاحة2012-09-18T02:11:40Z
تاريخ النشر2011
اسم المنشور2011 7th International Workshop on Systems, Signal Processing and their Applications (WOSSPA)
الاقتباسSaulig, N.; Sucic, V.; Boashash, B., "An automatic time-frequency procedure for interference suppression by exploiting their geometrical features," Systems, Signal Processing and their Applications (WOSSPA), 2011 7th International Workshop on , vol., no., pp.311,314, 9-11 May 2011
معرّف المصادر الموحدhttp://hdl.handle.net/10576/10871
معرّف المصادر الموحدhttp://dx.doi.org/10.1109/wosspa.2011.5931498
الوصفThis paper presents an adaptive algorithm for the optimal masking of the WVD by the Pseudo WVD where the structure of the inner artifacts of the WVD determines the lag smoothing window duration of the PWVD. (Additional details can be found in the comprehensive book on Time-Frequency Signal Analysis and Processing (see http://www.elsevier.com/locate/isbn/0080443354). In addition, the most recent upgrade of the original software package that calculates Time-Frequency Distributions and Instantaneous Frequency estimators can be downloaded from the web site: www.time-frequency.net. This was the first software developed in the field, and it was first released publicly in 1987 at the 1st ISSPA conference held in Brisbane, Australia, and then continuously updated).
الملخصThis paper presents an adaptive method for interference suppression in the Wigner-Ville distribution. The structure of the artifacts in the Wigner-Ville distribution has been analyzed to optimally mask the signal Wigner-Ville distribution by the Pseudo Wigner-Ville distribution. The resulting time-frequency distribution outperforms in terms of representation quality the Wigner-Ville distribution, the Pseudo Wigner-Ville distribution with fixed smoothing windows, as well as the Modified B distribution.
اللغةen
الناشرIEEE
الموضوعFrequency modulation
Interference suppression
Smoothing methods
Time frequency analysis
Wigner distribution
signal representation
Pseudo Wigner-Ville distribution
adaptive method
geometrical feature
modified B distribution
smoothing window
WVD optimal masking
multicomponent signals
MBD
quadratic TFD
chirp
lag smoothed window
IF trajectory
instantaneous frequency
time-frequency distribution
interference generation
geometry
signal representation
Pseudo Wigner-Ville distribution
adaptive method
automatic time-frequency distribution procedure
time-frequency signal processing
العنوانAn automatic time-frequency procedure for interference suppression by exploiting their geometrical features
النوعConference Paper


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