436 search results - page 77 / 88 » Recursion and Complexity |
104
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ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
This paper proposes a pilot-aided joint channel estimation and synchronization scheme for burst-mode orthogonal frequency division multiplexing (OFDM) systems. The scheme eliminate...
110
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COMPUTING
2008
14 years 12 months ago
2008
Generalizing the approach of a previous work [15] the authors present multilevel preconditioners for three-dimensional (3D) elliptic problems discretized by a family of Rannacher ...
PR
2006
14 years 11 months ago
2006
9 Legendre orthogonal moments have been widely used in the field of image analysis. Because their computation by a direct method is very time expensive, recent efforts have been d...
114
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TSP
2011
14 years 6 months ago
2011
—This work proposes a blind adaptive reduced-rank scheme and constrained constant-modulus (CCM) adaptive algorithms for interference suppression in wireless communications system...
FUIN
2008
14 years 12 months ago
2008
This paper is concerned with the universality problem for timed automata: given a timed automaton A, does A accept all timed words? Alur and Dill have shown that the universality p...