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Memristor memories provide non-volatile and high density solutions that can overcome some of the challenges faced by CMOS technology. Memristor memories use the memristor as a resistor and depict a logic 1 by a high resistance state and a logic 0 by a low resistance state. Typically, the memristor's resistance range is divided in half, and a state falling in the lower half depicts a logic 0 and the...
Spike detectors are important data-compression components for state-of-the-art implantable neural recording microsystems. This paper proposes two improved spike detection algorithms, frequency-enhanced nonlinear energy operator (fNEO) and energy-of-derivative (ED), to solve the sensitivity reduction of a conventional nonlinear energy operator (NEO) in the presence of baseline interference. The proposed...
We study the effect of variability on the robustness of nanoshell based sensors. On the one hand, nanoshells with higher aspect ratios have better quality factors, but their resonance wavelength is more prone to variability than that of nanoshells with lower aspect ratios. Our study takes into account the effect of aspect ratio on both the resonance wavelength and the quality factor and explore design...
Nanoshells promise to be valuable in a wide range of applications ranging from chemical sensing to cancer treatment. Different applications require different performance from the nanoshell and pose different constraints on them, and thus the nanoshell sensor has to be designed according to the given application. In this regard, the resonance wavelength and the Q factor are the most important properties...
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