Zobrazeno 1 - 10
of 561
pro vyhledávání: '"multi-peak"'
Publikováno v:
Alexandria Engineering Journal, Vol 105, Iss , Pp 402-413 (2024)
This paper investigates the dynamics of soliton interactions in higher-order nonlinear Schrödinger equation, which are commonly used to model multimode wave propagation in various physical scenarios, including nonlinear optics and shallow water. We
Externí odkaz:
https://doaj.org/article/a66853eb22fc4d7388d0da0202a17757
Publikováno v:
Zhihui kongzhi yu fangzhen, Vol 46, Iss 4, Pp 82-87 (2024)
In order to achieve real-time stable tracking of moving targets and improve the accuracy and success rate of the tracking system, a kernel correlation filtering-based target tracking method with scale adaptation and feature fusion is proposed to addr
Externí odkaz:
https://doaj.org/article/3449affbfe1748e1a6c018973268a6a7
Publikováno v:
Heritage Science, Vol 12, Iss 1, Pp 1-11 (2024)
Abstract Aiming at the problem of "crystallization" on the surface of Yuan blue and white ceramics, which causes reflections and loss of image texture, an image processing method is proposed to repair the image texture information. A multi-scale Reti
Externí odkaz:
https://doaj.org/article/8024e5b396464f6eb86079be9d9df299
Publikováno v:
Mathematics in Applied Sciences and Engineering, Vol 4, Iss 3, Pp 154-171 (2023)
We study a reaction-diffusion system which models the pre-mixed isothermal autocatalytic chemical reaction of order m (m > 1) between two chemical species, a reactant A and an auto-catalyst B, A + m B --> (m+1) B, and a linear decay B -->C, where C i
Externí odkaz:
https://doaj.org/article/386ba2d130874f6ba2c0183ff3768d50
Publikováno v:
Advanced Nonlinear Studies, Vol 23, Iss 1, Pp 584-592 (2023)
In this article, we consider the following Schrödinger-Poisson problem: −ε2Δu+V(y)u+Φ(y)u=∣u∣p−1u,y∈R3,−ΔΦ(y)=u2,y∈R3,\left\{\begin{array}{ll}-{\varepsilon }^{2}\Delta u+V(y)u+\Phi (y)u={| u| }^{p-1}u,& y\in {{\mathbb{R}}}^{3},\\
Externí odkaz:
https://doaj.org/article/b4a8c269ee0d4c60bfb612b65e87e26b
Publikováno v:
Journal of Taibah University for Science, Vol 17, Iss 1 (2023)
In this paper, our aim is to further expand the use of the two-variable [Formula: see text]-expansion approach to a new coupled KdV and Z-K system, which has various significant applications in different fields of applied sciences. The KdV equation,
Externí odkaz:
https://doaj.org/article/2b1bad306835408bb7dee22870c82f7c
Autor:
Leyang Wang, Han Li
Publikováno v:
Geodesy and Geodynamics, Vol 14, Iss 2, Pp 182-190 (2023)
The use of geodetic observation data for seismic fault parameters inversion is the research hotspot of geodetic inversion, and it is also the focus of studying the mechanism of earthquake occurrence. Seismic fault parameters inversion has nonlinear c
Externí odkaz:
https://doaj.org/article/98ad796eb37f48cebf409c3fc7807b5f
Autor:
Hongfang Wang, Junhui Gong
Publikováno v:
Emergency Management Science and Technology, Vol 3, Iss 1, Pp 1-10 (2023)
Optimization performances of three most frequently utilized optimization algorithms, GA (Genetic Algorithm), PSO (Particle Swarm Optimization), and SCE (Shuffled Complex Evolution), are compared to examine their accuracy, computation efficiency, and
Externí odkaz:
https://doaj.org/article/2f4c9bbe7e1a4714bee1c28bd3776188
Publikováno v:
IEEE Access, Vol 11, Pp 17793-17810 (2023)
This paper presents a novel adaptive parallel Expected Improvement (EI) infilling strategy for Efficient Global Optimization (EGO) by introducing a two-staged Non-parametric Population Monte Carlo Sampling (NPMS) scheme. The samples are uniformly gen
Externí odkaz:
https://doaj.org/article/18fb7bdf1fd24a9e82355691a72b8327
Autor:
ZANG Xiaodi, LIU Lu
Publikováno v:
Kongzhi Yu Xinxi Jishu, Iss 4, Pp 30-36 (2022)
To solve the problem that the global extreme value tracking of photovoltaic array under multi-peak is easy to fall into local optimization, this paper proposes a multi-peak maximum power point tracking (MPPT) scheme of photovoltaic array based on an
Externí odkaz:
https://doaj.org/article/b1f68c62edbf43f9b3695b7ed89ad4f7