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DCC
2008
IEEE
14 years 7 months ago
Idempotents in the neighbourhood of Patterson-Wiedemann functions having Walsh spectra zeros
In this paper we study the neighbourhood of 15-variable Patterson-Wiedemann (PW) functions, i.e., the functions that differ by a small Hamming distance from the PW functions in te...
Sumanta Sarkar, Subhamoy Maitra
ICASSP
2011
IEEE
12 years 11 months ago
Evaluation of two speech and noise estimation methods for the assessment of nonlinear hearing aids
In this paper, we present a comparative evaluation of two speech and noise estimation methods commonly used with nonlinear hearing devices: the coherence function used for spectra...
Nicolas Ellaham, Christian Giguere, Wail Gueaieb
CSC
2008
13 years 9 months ago
Eigenvalue Spectra Measurements of Complex Networks
Complex network models such as Kauffman's NK model have been shown to have interesting phase transitional properties as the connectivity is varied. Conventional network and g...
Kenneth A. Hawick
ICASSP
2011
IEEE
12 years 11 months ago
ON the recovery of time-varying spectral envelope information from AQHM-derived spectra
Spectral envelopes of speech signals are typically obtained by making stationarity assumptions about the signal which are not always valid. The Adaptive Quasi-Harmonic Model (AQHM...
Yannis Agiomyrgiannakis, Yannis Stylianou
RSA
2010
94views more  RSA 2010»
13 years 6 months ago
Word maps and spectra of random graph lifts
We study here the spectra of random lifts of graphs. Let G be a finite connected graph, and let the infinite tree T be its universal cover space. If λ1 and ρ are the spectral ...
Nati Linial, Doron Puder