Results 231 to 240 of about 306,242 (273)

Effect of stent-graft compliance on hemodynamics and aortic stiffening in an in vivo porcine study. [PDF]

Acta Biomater
Shahbad R, Kuniyil S, Kamenskiy A, Zermeno E, Maleckis K, MacTaggart J, Desyatova A.   +6 more
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Impact of processing and analysis methodology on thalamic susceptibility assessment in multiple sclerosis. [PDF]

PLoS One
Salman F, Bergsland N, Dwyer MG, Reeves JA, Ramesh A, Jakimovski D, Weinstock-Guttman B, Zivadinov R, Schweser F.   +8 more
europepmc   +1 more source

Pitch estimation of harmonic signals with background disturbances

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Harmonized Portrait‐Background Image Composition

Computer Graphics Forum, 2023
AbstractPortrait‐background image composition is a widely used operation in selfie editing, video meeting, and other portrait applications. To guarantee the realism of the composited images, the appearance of the foreground portraits needs to be adjusted to fit the new background images.
Yijiang Wang, Yuqi Li, Chong Wang, Xulun Ye   +3 more
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Harmonic contribution assessment on the condition of background harmonic fluctuations

2015 International Symposium on Smart Electric Distribution Systems and Technologies (EDST), 2015
This paper proposes a new method for estimating the harmonic contributions of the harmonic sources in condition of the harmonic fluctuations. This method is a combination of the dominant fluctuation filtering method which aims at estimating the background harmonic impedance and the quantile regression method which is used to assess the harmonic ...
null Zheng-You He, null Jing Chen, null Ling Fu, null Tian-Lei Zang   +3 more
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Background-Free Third Harmonic Imaging of Gold Nanorods

Nano Letters, 2009
Surface plasmon resonance exhibited by noble metal nanoparticles makes them attractive agents for advanced microscopic imaging applications. In this work we study third harmonic generation in gold nanorods under conditions of resonance of the laser frequency with the longitudinal plasmon mode.
Osip, Schwartz, Dan, Oron
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Background Harmonic Probabilistic Model for Harmonic Responsibility Assessment Based on Nonparametric Methods

IEEJ Transactions on Electrical and Electronic Engineering, 2020
As the increasing integration of inverter‐interfaced renewable energy generators intensifies the volatility and uncertainty of background harmonics in the utility system, it is crucial to construct a precise background harmonic model and determine the harmonic responsibility to promote harmonic management.
Tong Ding, Hongkun Chen, Lei Chen
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Hybrid APF Background Harmonic Voltage Damping Control Method

2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia), 2020
The hybrid Active power filter (HAPF) is a low-cost but effective solution for harmonic power management. However, because of the series capacitor in the output filters, the system suffers the complex resonance issues. To address this problem, in this paper, we have developed a voltage control based on the virtual impedance approach, which can control ...
Yunfeng Li, Jinwei He, Yu Liu
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Calculation of the background emitted during high-harmonic generation

Physical Review A, 1992
We present a method for calculating the spectrum emitted by an atom in an intense laser field. This method is based on the direct use of the acceleration of the atomic electron rather than the dipole moment of the atom. We show, using a numerical calculation in one dimension, that this method produces a more exact numerical evaluation of the spectrum ...
, Burnett, , Reed, , Cooper, , Knight
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