Title :
Minimum entropy time-frequency distributions
Author :
El-Jaroudi, Amro
Author_Institution :
Dept. of Electr. Eng., Pittsburgh Univ., PA, USA
Abstract :
We present an approach to designing discrete time-frequency distributions that are extremely localized in the time-frequency plane. These distributions, which satisfy the marginals, are constructed recursively by transferring energy among the points in the time-frequency distribution (TFD) in a direction which decreases the entropy of the TFD. This transfer is such that the resulting TFD continues to satisfy the marginal constraints
Keywords :
minimum entropy methods; signal processing; spectral analysis; time-frequency analysis; energy transfer; marginal constraints; minimum entropy; recursive construction; spectral analysis; time-frequency distributions; time-frequency plane; Autocorrelation; Entropy; Equations; Nonlinear filters; Signal resolution; Spectral analysis; Time frequency analysis;
Conference_Titel :
Statistical Signal and Array Processing, 2000. Proceedings of the Tenth IEEE Workshop on
Conference_Location :
Pocono Manor, PA
Print_ISBN :
0-7803-5988-7
DOI :
10.1109/SSAP.2000.870196
