25175 search results - page 124 / 5035 » MPEG-4 systems and applications |
158
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GLOBECOM
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract— In this paper, we investigate the use of multipleinput multiple-output (MIMO) techniques with linear precoded orthogonal frequency division multiplexing (LP-OFDM) wavef...
131
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CDC
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract— In this paper, the concept of restricted real perturbation values of a complex matrix triplet is introduced, and a formula for computing lower bounds of these values is...
141
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ECIS
2001
15 years 8 months ago
2001
Decision making, whether by an individual or a group, can be substantially enhanced by a "systems thinking" approach. Because groups are often challenged to justify thei...
183
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CSREAESA
2009
15 years 7 months ago
2009
: Space is a hazardous environment for both man and machine and to explore such a terrain a rugged, yet easily implementable, platform is needed. Low-cost, low-power embedded syste...
166
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JCST
2008
15 years 6 months ago
2008
In a question answering (QA) system, the fundamental problem is how to measure the distance between a question and an answer, hence ranking different answers. We demonstrate that s...