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pro vyhledávání: '"R.J. Mears"'
Autor:
T.C. B. Yu, R.J. Mears
Publikováno v:
Journal of Intelligent Material Systems and Structures. 5:151-159
A unipolar binary bidirectional associative memory (UBBAM) has been designed to associate input and output vectors in a manner of a content addressable memory. The neural network thus formed does not require inhibitory neurons and is well suited for
Autor:
M.R. Worboys, R.J. Mears, N. Collings, D.G. Vas, J.R. Brocklehurst, S. N. Radcliffe, T.C.B. Yu, W.A. Crossland, Ian Underwood, M.W.G. Snook, W. J. Hossack, L.B. Chua, M.J. Birch
Publikováno v:
Proceedings of IEE/LEOS Summer Topical Meetings: Integrated Optoelectronics.
Publikováno v:
Proceedings of IEE/LEOS Summer Topical Meetings: Integrated Optoelectronics.
A synaptic plane rendered by an array of smart pixels was described regarding its application as a complementary component for neural network implementation. The smart spatial light modulator featured auto-modification abilities. Thus, an optical sys
Autor:
W.M.D. Bradley, R.J. Mears
Publikováno v:
Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society.
The use of inhibitory neurons, together with a modified learning algorithm, allows error backpropagation learning that competes with standard momentum-aided backpropagation using positive weights only. A multilayer optoelectronic architecture with in
Autor:
R.J. Mears, W.M.D. Bradley
Publikováno v:
1998 IEEE/LEOS Summer Topical Meeting. Digest. Broadband Optical Networks and Technologies: An Emerging Reality. Optical MEMS. Smart Pixels. Organic Optics and Optoelectronics (Cat. No.98TH8369).
Smart pixels give a means of realising massively parallel optical processing, but there are always a number of trade-offs that need to be made so that the system becomes viable. We take a look at two optical neural network architectures under develop
Autor:
A.D. Cohen, R.J. Mears
Publikováno v:
1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Applications/Gallium Nitride Materials, Processing, and Devices (C.
We report equalisation of eight 3-4 nm-spaced WDM channels amplified by a non-gain-flattened EDFA. The 9.5 dB spectral gain range is reduced to 0.75 dB. Flattening of the filter passband has been experimentally demonstrated The dynamic holographic te
Conference
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Akademický článek
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Autor:
R.J. Mears
Publikováno v:
Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference on Communications.
Summary form only given, as follows. More than thirteen years have elapsed since the first experimental demonstration of a high-gain erbium doped fibre amplifier. Since then the aggregate bandwidth of optical fibres has increased dramatically with th
Publikováno v:
Spatial Light Modulators and Applications.
The high available bandwidth of optical fibres has led to a large interest in wavelength division-multiplexed (WDM) networks. Such systems rely on the functionality provided by tunable sources, receivers and filters. Components must be quickly tunabl