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ICASSP
2008
IEEE
14 years 2 months ago
Fast noise tracking based on recursive smoothing of MMSE noise power estimates
We consider estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. In each time frame, for each frequency bin, the noise...
Jan S. Erkelens, Richard Heusdens
VTC
2008
IEEE
120views Communications» more  VTC 2008»
14 years 2 months ago
Near-Capacity Iteratively Decoded Space-Time Block Coding
— Iteratively decoded near-capacity Space-Time Block Coding (STBC) schemes are designed. Recursive unity-rate codes and IRregular Convolutional Codes (IRCCs) are employed for ass...
Soon Xin Ng, Sushanta Das, Jin Wang, Lajos Hanzo
DATE
2008
IEEE
81views Hardware» more  DATE 2008»
14 years 2 months ago
Practical Implementation of a Network Analyzer for Analog BIST Applications
This paper presents a practical implementation of a network analyzer for analog BIST applications. The network analyzer consists of a sinewave generator and a sinewave evaluator b...
Manuel J. Barragan Asian, Diego Vázquez, Ad...
ICASSP
2008
IEEE
14 years 2 months ago
Matrix-based linear predictive compression of multi-channel surface emg signals
We propose a linear predictive coding technique for multichannel electromyographic (EMG) recordings. The signals are acquired using two-dimensional grid of electrodes which genera...
Elias S. G. Carotti, Juan Carlos De Martin, Robert...
ASPDAC
2008
ACM
162views Hardware» more  ASPDAC 2008»
13 years 9 months ago
A CMOS direct sampling mixer using Switched Capacitor Filter technique for software-defined radio
This paper proposes a novel direct sampling mixer (DSM) using Switched Capacitor Filter (SCF) for multi-band receivers. The proposed DSM has a higher gain, more flexibility and low...
Hong Phuc Ninh, Takashi Moue, Takashi Kurashina, K...