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ICASSP
2008
IEEE
14 years 4 months ago
Bandlimited signal reconstruction from noisy periodic nonuniform samples in time-interleaved ADCS
In this paper, we propose a time-domain method for uniform signal reconstruction from periodic nonuniform samples of a bandlimited signal when timing-skews are known. The algorith...
Vijay Divi, Gregory W. Wornell
INFOCOM
2012
IEEE
12 years 9 days ago
On the construction of data aggregation tree with minimum energy cost in wireless sensor networks: NP-completeness and approxima
—In many applications, it is a basic operation for the sink to periodically collect reports from all sensors. Since the data gathering process usually proceeds for many rounds, i...
Tung-Wei Kuo, Ming-Jer Tsai
ARITH
2003
IEEE
14 years 3 months ago
"Partially Rounded" Small-Order Approximations for Accurate, Hardware-Oriented, Table-Based Methods
We aim at evaluating elementary and special functions using small tables and small, rectangular, multipliers. To do that, we show how accurate polynomial approximations whose orde...
Jean-Michel Muller
DBA
2006
232views Database» more  DBA 2006»
13 years 11 months ago
Architecture and Interface of Scalable Distributed Database System SD-SQL Server
We present a scalable distributed database system SD-SQL Server. Its original feature is the scalable distributed partitioning of its relational tables. The system dynamically dist...
Witold Litwin, Soror Sahri, Thomas J. E. Schwarz
ITA
2002
13 years 9 months ago
On multiplicatively dependent linear numeration systems, and periodic points
Abstract. Two linear numeration systems, with characteristic polynomial equal to the minimal polynomial of two Pisot numbers and respectively, such that and are multiplicatively...
Christiane Frougny