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Ponencia
LVDS interface for AER links with burst mode operation capability
(IEEE Computer Society, 2008)
This paper presents the design and simulation of a serial AER LVDS communication link. It converts data from classical AER parallel bus with a 4-phase handshaking protocol into a bit stream which is transmitted serially ...
Ponencia
High-Speed Character Recognition System based on a complex hierarchical AER architecture
(IEEE Computer Society, 2008)
In this paper we briefly summarize the fundamental properties of spikes processing applied to artificial vision systems. This sensing and processing technology is capable of very high speed throughput, because it does ...
Ponencia
OTA-C oscillator with low frequency variations for on-chip clock generation in serial LVDS-AER links
(IEEE Computer Society, 2009)
This paper presents the design and simulation of an OTA-C oscillator intended to be used as on-chip frequency reference. This reference will be part of the high speed clock generation circuit for Manchester serial LVDS-AER ...
Artículo
The Efficient Functioning of Photosynthesis and Respiration in Synechocystis sp. PCC 6803 Strictly Requires the Presence of either Cytochrome c6 or Plastocyanin
(Elsevier, 2004)
In cyanobacteria, cytochrome c6 and plastocyanin are able to replace each other as redox carriers in the photosynthetic and respiratory electron transport chains with the synthesis of one or another protein being regulated ...
Artículo
Widespread occurrence of non-phosphorylating glyceraldehyde-3-phosphate dehydrogenase among gram-positive bacteria
(Sociedad Española de Microbiología, 2005)
The non-phosphorylating glyceraldehyde 3-phosphate dehydrogenase (GAPDHN, NADP+-specific, EC 1.2.1.9) is present in green eukaryotes and some Streptococcus strains. The present report describes the results of activity and ...
Artículo
Structural changes during the natural aging process of InN quantum dots
(American Institute of Physics, 2009-01)
The natural aging process of InN nanostructures by the formation of indium oxides is examined by transmission electron microscopy related techniques. Uncapped and GaN-capped InN quantum dots (QDs) on GaN/sapphire substrates ...
Ponencia
Event based vision sensing and processing
(IEEE Computer Society, 2008)
In this paper we briefly summarize the fundamental properties of spike events processing applied to artificial vision systems. This sensing and processing technology is capable of very high speed throughput, because it ...
Ponencia
Fully Digital AER Convolution Chip for Vision Processing
(IEEE Computer Society, 2008)
We present a neuromorphic fully digital convolution microchip for Address Event Representation (AER) spike-based processing systems. This microchip computes 2-D convolutions with a programmable kernel in real time. It ...
Ponencia
A Mismatch Calibrated Bipolar Spatial Contrast AER Retina with Adjustable Contrast Threshold
(IEEE Computer Society, 2009)
Address Event Representation (AER) is an emergent technology for assembling modular multi-blocks bio-inspired sensory and processing systems. Visual sensors (retinae) are among the first AER modules to be reported since ...
Artículo
Anabaena sp. PCC 7119 Flavodoxin as Electron Carrier from Photosystem I to Ferredoxin-NADP+Reductase: ROLE OF TRP57 AND TYR94
(Elsevier, 2002)
The influence of the amino acid residues sandwiching the flavin ring in flavodoxin (Fld) from the cyanobacteriumAnabaena sp. PCC 7119 in complex formation and electron transfer (ET) with its natural partners, photosystem ...