43 search results - page 7 / 9 » dft 2007 |
DKE
2007
13 years 5 months ago
2007
The challenge in a database of evolving time series is to provide efficient algorithms and access methods for query processing, taking into consideration the fact that the databas...
ALENEX
2004
13 years 7 months ago
2004
In previous work we described a method for compactly representing graphs with small separators, which makes use of small separators, and presented preliminary experimental results...
CDES
2006
13 years 7 months ago
2006
: Over the last three decades there has been significant progress in the first principles methods for calculating the properties of materials at the quantum level. They have largel...
ICC
2007
IEEE
14 years 3 days ago
2007
IEEE
Abstract— Frequency synchronization is one of the most important components in orthogonal frequency-division multiplexing (OFDM) systems. Recently, the discrete cosine transform ...
ICIC
2007
Springer
13 years 12 months ago
2007
Springer
This paper presents a novel fault detection and section estimation method for unbalanced underground distribution systems (UDS). The method proposed is based on artificial neural n...