Roghayeh DOOST

A New Method for Low SNR Estimation of Noisy Speech Signals Using Fourth-Order Moments
Roghayeh DOOST  Abolghasem SAYADIAN  Hossein SHAMSI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/06/01
Vol. E93-D  No. 6  pp. 1599-1607
Type of Manuscript: PAPER
Category: Speech and Hearing
Keyword: 
SNR estimation,  higher-order moments,  moment estimation,  speech processing, 
  Summary |  Full Text:PDF (508.8KB)
Analysis of the Clock Jitter Effects in a Time Invariant Model of Continuous Time Delta Sigma Modulators
Hossein SHAMSI  Omid SHOAEI  Roghayeh DOOST 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/02/01
Vol. E89-A  No. 2  pp. 399-407
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
Delta-Sigma modulator,  continuous time,  discrete time,  clock jitter,  power spectral density,  feedback waveform, 
  Summary |  Full Text:PDF (692.6KB)
A New Method for Elimination of the Clock Jitter Effects in Continuous Time Delta-Sigma Modulators
Hossein SHAMSI  Omid SHOAEI  Roghayeh DOOST 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2570-2578
Type of Manuscript: Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
Delta-Sigma modulator,  continuous time,  discrete time,  clock jitter,  feedback waveform,  non return to-zero, 
  Summary |  Full Text:PDF (1.1MB)