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CDC
2008
IEEE
16 years 20 days ago
Strong solutions and maximal solutions of generalized algebraic Riccati equations
— In this paper, we present a comparison theorem for the solutions of two generalized algebraic Riccati equations (GAREs) coming from two different systems. We show that the so-c...
Xin Xin
ICASSP
2008
IEEE
16 years 19 days ago
High-dynamic range compression using a fast multiscale optimization
to appear in Proc. IEEE Int’l Conf. on Acoustics, Speech, and Signal Processing, March, 2008 High-dynamic-range medical images take intensity values which cannot be visualized o...
Matthieu Maitre, Yunqiang Chen, Tong Fang
ICASSP
2008
IEEE
16 years 19 days ago
Voice source cepstrum coefficients for speaker identification
We propose a novel feature set for speaker recognition that is based on the voice source signal. The feature extraction process uses closed-phase LPC analysis to estimate the voca...
Jon Gudnason, Mike Brookes
ISCAS
2008
IEEE
88views Hardware» more  ISCAS 2008»
16 years 18 days ago
An improved method of power control with CMOS class-E power amplifiers
—In this paper, an improved method of power control is introduced to widen the range of output power with high efficiency. Two CMOS class-E power amplifiers (PA) with different o...
Tongqiang Gao, Chun Zhang, Baoyong Chi, Zhihua Wan...
CEC
2007
IEEE
16 years 16 days ago
Achieving environmental tolerance through the initiation and exploitation of external information
— It is often believed that biological organisms have an inherent tolerance to environmental changes. This is a seductive concept if transferred to artificial organisms. An expe...
Gunnar Tufte, Pauline C. Haddow