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ISCAS
2007
IEEE
124views Hardware» more  ISCAS 2007»
15 years 4 months ago
CMOS Current-controlled Oscillators
— The work presented in this paper is about the design of current-controlled oscillators (ICO). Two ICOs are proposed. Aiming at reducing the duration of the short-circuit curren...
Junhong Zhao, Chunyan Wang
ISCAS
2007
IEEE
117views Hardware» more  ISCAS 2007»
15 years 4 months ago
On the Impact of I/Q Imbalance in Multi-Carrier Systems for Different Channel Scenarios
— I/Q imbalance has been identified as one of the most serious concerns in the practical implementation of the direct conversion receiver architecture. Facing the performance-de...
Marcus Windisch, Gerhard Fettweis
TIME
2007
IEEE
15 years 4 months ago
Temporalising Tractable Description Logics
It is known that for temporal languages, such as firstorder LT L, reasoning about constant (time-independent) relations is almost always undecidable. This applies to temporal des...
Alessandro Artale, Roman Kontchakov, Carsten Lutz,...
MDAI
2007
Springer
15 years 4 months ago
A Public-Key Protocol for Social Networks with Private Relationships
Abstract. The need for protecting the privacy of relationships in social networks has recently been stressed in the literature. Conventional protection mechanisms in those networks...
Josep Domingo-Ferrer
MIRAGE
2007
Springer
15 years 4 months ago
Segmentation of Soft Shadows Based on a Daylight- and Penumbra Model
Abstract. This paper introduces a new concept within shadow segmentation for usage in shadow removal and augmentation through construction of an alpha overlay shadow model. Previou...
Michael Nielsen, Claus B. Madsen