Akira UTAGAWA

Stochastic Resonance in an Array of Locally-Coupled McCulloch-Pitts Neurons with Population Heterogeneity
Akira UTAGAWA Tohru SAHASHI Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2508-2513
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Nonlinear Problems
Keyword: 
stochastic resonance, image processing, neural networks, 
 Summary | Full Text:PDF
Noise-Induced Synchronization among Sub-RF CMOS Analog Oscillators for Skew-Free Clock Distribution
Akira UTAGAWA Tetsuya ASAI Tetsuya HIROSE Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2475-2481
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Electronic Circuits and Systems
Keyword: 
clock distribution, synchronization, nonlinear oscillators, clock skew, 
 Summary | Full Text:PDF
An Inhibitory Neural-Network Circuit Exhibiting Noise Shaping with Subthreshold MOS Neuron Circuits
Akira UTAGAWA Tetsuya ASAI Tetsuya HIROSE Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2108-2115
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Neuron and Neural Networks
Keyword: 
neuromorphic analog integrated circuits, pulse density modulation, noise shaping, subthreshold CMOS circuits, 
 Summary | Full Text:PDF