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Paper Detail

Paper:	SPTM-P5.8
Session:	Time-Frequency Transforms and Operators
Time:	Wednesday, May 17, 14:00 - 16:00
Presentation:	Poster
Topic:	Signal Processing Theory and Methods: Non-stationary Signals and Time-Frequency Analysis
Title:	Multiple Window Decomposition of Time-Frequency Kernels Using a Penalty Function for Suppressed Sidelobes
Authors:	Maria Hansson, Lund University, Sweden
Abstract:	This paper presents multiple windows with suppressed sidelobes that approximate a time-frequency kernel. The multiple windows are given from the eigenvalue decomposition of the time-lag kernel. By using a penalty matrix both in time- and frequency domain and solving a generalized eigenvalue problem, the multiple windows are achieved. Examples are given and the resulting sidelobe suppression and the number of windows needed are analysed.