Results 161 to 170 of about 1,799 (215)
Blood Biomarkers and Surface‐Enhanced Raman Spectroscopy for Gout: A Comprehensive Review
Advanced Functional Materials, EarlyView.Schematic illustrating gout disease progression from asymptomatic hyperuricemia to chronic tophaceous disease, highlighting the limitations of conventional imaging and biochemical diagnostics and the potential of engineered SERS platforms for ultrasensitive blood‐based detection of urate‐related biomarkers across disease stages, with the color gradient
Isuri Perera +6 more
wiley +1 more source
Solution‐Processed Thin‐Film Transistors With Tunable Temporal Dynamics for Neuromorphic Computing
Advanced Functional Materials, EarlyView.Solution‐processed CNT and CNT/P3HT ion‐gated transistors exhibit materials‐defined synaptic timescales: fast CNT devices for high‐frequency spiking and slow hybrid devices for temporal integration. Embedding these dynamics into coupled reservoir‐computing and spiking neural network simulations reveals that a Hybrid‐Reservoir / CNT‐SNN architecture ...
Kevin Schnittker +5 more
wiley +1 more source
Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights
Advanced Functional Materials, EarlyView.This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He +5 more
wiley +1 more source
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Signal estimation and coherence: publisher’s note
Optics Letters, 2021This publisher’s note contains a correction to Opt. Lett. 46 , 5409 ( 2021 ) 10.1364/OL.439197 .
Laura, Ares, Alfredo, Luis
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Evolutionary Coherence of Nonstationary Signals
IEEE Transactions on Signal Processing, 2008Coherence is a widely used measure for characterizing linear dependence between a pair of signals. For nonstationary signals, the autospectrum, cross spectrum, and coherence between signals may evolve over time. A standard approach is to divide the signals into overlapping blocks of fixed width and then smooth (over frequency) the periodogram matrix at
Hernando Ombao, Sébastien Van Bellegem
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Generalized coherence (signal detection)
ICASSP-88., International Conference on Acoustics, Speech, and Signal Processing, 2003The authors introduce a test for detecting the presence of a common signal on M noisy channels that generalizes a popular technique using the magnitude-squared coherence (MSC) estimate for detecting a common signal on two channels. The basis of this test is the generalized coherence estimate, a statistic involving the normalized M*M Gram matrix ...
Herbert Gish, Douglas Cochran
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On the Need for Signal-Coherent Watermarks
IEEE Transactions on Multimedia, 2006Digital watermarking has been introduced in the 1990s as a complementary technology for copyright protection. In an effort to anticipate hostile behavior of adversaries, the research community is constantly introducing new attacks to benchmark watermarking systems. In this paper, we present a generic attack strategy based on block replacement.
Gwenaël J. Doërr +2 more
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Signal subspace sphericity and inter-signal coherence-MUSIC induces inter-signal coherence
[1991] Conference Record of the Twenty-Fifth Asilomar Conference on Signals, Systems & Computers, 2002The role and importance of signal subspace sphericity are discussed. Using signal subspace arguments with the true correlation matrix, it is shown that MUSIC effectively induces intersignal coherence due to its requirement for subspace sphericity. It is also shown in the finite data case that some commonly used direction finding methods yield results ...
D.A. Linebarger, R.D. DeGroat
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2022
Systems and methods for analyzing a characteristic of a transmitter, a receiver, or a propagation channel are disclosed. At least one receiver signal resulting from at least one transmitter signal that has propagated through a propagation channel can be obtained.
Mueller, Jeffrey G. +2 more
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Systems and methods for analyzing a characteristic of a transmitter, a receiver, or a propagation channel are disclosed. At least one receiver signal resulting from at least one transmitter signal that has propagated through a propagation channel can be obtained.
Mueller, Jeffrey G. +2 more
openaire +1 more source