Results 91 to 100 of about 177,680 (311)

A Pedestrian Introduction to Gamow Vectors

open access: yes, 2002
The Gamow vector description of resonances is compared with the S-matrix and the Green function descriptions using the example of the square barrier potential.
Groom D. E.   +3 more
core   +1 more source

From One Strand Dyed/Undyed Hair With/Without Root to Fast and Successful STR Profiling and Evaluation With Principle Component Analysis

open access: yesELECTROPHORESIS, EarlyView.
ABSTRACT Fallen/shed single hair shafts with/without roots can be encountered as evidence in crime scenes. Identification from hair exhibits serious difficulties, due to the low amount of DNA, PCR inhibitors, and the existence of DNA mostly in degraded forms. Exposure of hair to chemical oxidation, sunlight, etc.
Gulten Rayimoglu   +2 more
wiley   +1 more source

Signal selection and latency compensation in wide area controlled power system

open access: yesEnergy Science &Engineering, EarlyView.
Abstract This paper presents a new approach for selecting signals for the monitoring and control of power systems over a wide area. The approach solves the twin problems of locating Phasor Measurement Units for observability and placing dynamic controllers for controllability using distinct techniques.
Prakash Thyagarajan   +1 more
wiley   +1 more source

Complex modal analysis of structural vibration and acoustic radiation of plates

open access: yesJournal of Low Frequency Noise, Vibration and Active Control
Inhomogeneous damping distribution leads to the occurrence of complex modes of structures. Complex modes' vibration and acoustic radiation characteristics are different from real modes.
Lai Wei, Sheng Li
doaj   +1 more source

Partial eigenvalue assignment problem of linear control systems using orthogonality relations [PDF]

open access: yesActa Montanistica Slovaca, 2006
The partial eigenvalue assignment is the problem of reassigning a part of the open-loop spectrum of a linear system by a feedback control, leaving the rest of the spectrum invariant.
Mohamed A. Ramadan, Ehab A. El - Sayed
doaj  

Perspective Projection of an Ellipse and an Ellipsoid for Analytical View Factor Evaluation

open access: yesHeat Transfer, EarlyView.
ABSTRACT Radiative view factors are fundamental quantities for evaluating radiative heat transfer between different surfaces. While analytical expressions of view factors have been evaluated for various types of basic geometries, including circular disks and spheres, extending these solutions to more complex geometries, such as ellipses and ellipsoids ...
Kaname Sasaki
wiley   +1 more source

Multi‐view subspace clustering with incomplete graph information

open access: yesIET Computer Vision, EarlyView., 2022
Abstract The core of multi‐view clustering is how to exploit the shared and specific information of multi‐view data properly. The data missing and incompleteness bring great challenges to multi‐view clustering. In this paper, we propose an innovative multi‐view subspace clustering method with incomplete graph information, so‐called incomplete multiple ...
Xiaxia He   +5 more
wiley   +1 more source

Second‐Law Analysis of Mini/Micro Counterflow Parallel‐Plate Heat Exchangers: Optimizing Effectiveness by Minimizing Wall Entropy Production

open access: yesHeat Transfer, EarlyView.
ABSTRACT We present an analytical and numerical study of the entropy production rate in laminar counterflow parallel‐plate heat exchangers, aiming to investigate the interplay between multidimensional wall conduction, entropy production, and the optimum wall conductivity that leads to maximum effectiveness.
Santiago E. Ibáñez   +2 more
wiley   +1 more source

Self‐inferring incomplete multi‐view clustering

open access: yesIET Computer Vision, EarlyView., 2022
A novel algorithm is proposed, named self‐inferring multi‐view clustering, to learn a common representation for all views while inferring the missing instances simultaneously. The missing instances of incomplete multi‐view data are replenished with zeros and exploited as variables and a feature graph is constructed for each view.
Junjun Fan   +5 more
wiley   +1 more source

A Method for Fast Diagonalization of a 2x2 or 3x3 Real Symmetric Matrix [PDF]

open access: yes, 2015
A method is presented for fast diagonalization of a 2x2 or 3x3 real symmetric matrix, that is determination of its eigenvalues and eigenvectors. The Euler angles of the eigenvectors are computed.
Kronenburg, M. J.
core  

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