Results 51 to 60 of about 27,144 (290)
On the eigenvectors belonging to the minimum eigenvalue of an essentially nonnegative symmetric matrix with bipartite graph [PDF]
, 1989 We prove that if B is an essentially nonnegative symmetric matrix with minimum eigenvalue m(B) and if the graph of B is connected and bipartite (with bipartition V1 ∪ V2, then there exists an eigenvector x belonging to m(B) such that xi > 0 for iϵV1 and ...
Roth, Robert
core +1 more source
A Hybrid Computational Framework for PCF‐based SPR Sensor With Machine Learning and xAI
Advanced Materials Interfaces, EarlyView.A photonic crystal fiber‐based surface plasmon resonance (SPR) sensor integrating rectangular air holes along with conventional circular air holes achieves exceptional wavelength sensitivity of 15,000 nm/RIU across a broad refractive index range of 1.31–1.39. Integrated machine learning with explainable AI (xAI) models achieves high prediction accuracy
Mahabur Rahman Fahim +3 more
wiley +1 more source
Least Squares Problems with Absolute Quadratic Constraints
Journal of Applied Mathematics, 2012 This paper analyzes linear least squares problems with absolute quadratic constraints. We develop a generalized theory following Bookstein's conic-fitting and Fitzgibbon's direct ellipse-specific fitting.
R. Schöne, T. Hanning
doaj +1 more source
Advanced Materials Technologies, EarlyView.This paper presents an agar medium with a phosphorescent grid pattern that measures the stress distribution generated by growing plant roots. Using phosphorescence, the system optically separates the grid pattern from the root and extracts the grid deformation.
Gakuto Kagawa, Hidetoshi Takahashi
wiley +1 more source
Analyzing Performance of Eigenvalue-based Spectrum Sensing within LoRaCog Framework
Journal of Telecommunications and Information TechnologyThe CR technology enhances spectrum utilization by allowing access to unused licensed channels, while spectrum sensing allows secondary users to verify channel availability before the transmission.
Batool Jaafar Bashar, Hikmat Abdullah
doaj +1 more source
Ratio of maximum-minimum eigenvalue of each sub-band data of the received signal in Fig 3(A). [PDF]
, 2015 Ratio of maximum-minimum eigenvalue of each sub-band data of the received signal in Fig 3(A).
Junpeng Hu (787747) +3 more
core +1 more source
Advanced Optical Materials, EarlyView.Magnetoluminescent (ML) diradicals exhibit field‐dependent emission due to magnetic field‐dependent spin state populations and spin‐dependent emission properties. In this work, quantum chemical calculations applied to the first reported ML diradical provide evidence of the different deactivation pathways of the excited singlet and triplet states and ...
Fatemeh Mamusi +3 more
wiley +1 more source
Characteristic Min-Polynomial and Eigen Problem of a Matrix over Min-Plus Algebra
JTAM (Jurnal Teori dan Aplikasi Matematika), 2023 Let R_ε=R∪{-∞}, with R being a set of all real numbers. The algebraic structure (R_ε,⊕,⊗) is called max-plus algebra. The task of finding the eigenvalue and eigenvector is called the eigenproblem.
Sahmura Maula Al Maghribi +2 more
doaj +1 more source
Strong Coupling in all‐Polymer Planar Microcavities
Advanced Optical Materials, EarlyView.Strong Coupling has been achieved in an all‐polymer microcavity with dielectric contrast Δn = 0.33 doped with TDBC. A Rabi splitting of 39 meV has been measured opening novel perspectives for polymer photonics. ABSTRACT In this work, strong coupling effect is observed in all‐polymer planar microcavities incorporating TDBC J‐aggregates dispersed into ...
Daniela Di Fonzo +5 more
wiley +1 more source
Dynamic Digital Channelizer Based on Spectrum Sensing. [PDF]
PLoS ONE, 2015 The ability to efficiently channelize a received signal with dynamic sub-channel bandwidths is a key requirement of software defined radio (SDR) systems.
Junpeng Hu +3 more
doaj +1 more source