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90 resultados encontrados.

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Nonlinear Control of Magnetically Coupled Rodless Cylinder Position Servo System
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Nonlinear Control of Magnetically Coupled Rodless Cylinder Position Servo System
Yeming Zhang et al · KeAi Communications Co., Ltd · 2023 · ISSN 2192-8258
Abstract Magnetically coupled rodless cylinders are widely used in the coordinate positioning of mechanical arms, electrostatic paintings, and other industrial applications. However, they exhibit strong nonlinear charact...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Nonlinear Static and Dynamic Stiffness Characteristics of Support Hydraulic System of TBM
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Nonlinear Static and Dynamic Stiffness Characteristics of Support Hydraulic System of TBM
Jianfeng Tao et al · KeAi Communications Co., Ltd · 2019 · ISSN 1000-9345
Abstract Full-face hard rock tunnel boring machines (TBM) are essential equipment in highway and railway tunnel engineering construction. During the tunneling process, TBM have serious vibrations, which can damage some o...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Nonlinear optical response of strain-mediated gallium arsenide microwire in the near-infrared region
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Nonlinear optical response of strain-mediated gallium arsenide microwire in the near-infrared region
Cui Xiangpeng et al · Wiley · 2024 · ISSN 2192-8614
Gallium arsenide (GaAs) semiconductor wires have emerged as potent candidates for nonlinear optical devices, necessitating bandgap engineering for an expanded operational wavelength range. We report the successful growth...
LCC TENDOlBoeXNpY3M~Idioma eng
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Nonlinear plasmonic response in atomically thin metal films
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Nonlinear plasmonic response in atomically thin metal films
Rodríguez Echarri Álvaro et al · Wiley · 2021 · ISSN 2192-8614
Nanoscale nonlinear optics is limited by the inherently weak nonlinear response of conventional materials and the small light–matter interaction volumes available in nanostructures. Plasmonic excitations can alleviate ...
LCC TENDOlBoeXNpY3M~Idioma eng
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Nonlinear wavefront engineering with metasurface decorated quartz crystal
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Nonlinear wavefront engineering with metasurface decorated quartz crystal
Mao Ningbin et al · Wiley · 2021 · ISSN 2192-8614
In linear optical processes, compact and effective wavefront shaping techniques have been developed with the artificially engineered materials and devices in the past decades. Recently, wavefront shaping of light at newl...
LCC TENDOlBoeXNpY3M~Idioma eng
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Nonlinear association between serum uric acid/serum creatinine ratio and overweight/obesity in children and adolescents
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Nonlinear association between serum uric acid/serum creatinine ratio and overweight/obesity in children and adolescents
Chanchan Hu et al · Taylor & Francis Group · 2026 · ISSN 0958-1596
Background Childhood and adolescent obesity is a major global public health challenge and is closely associated with various metabolic diseases. Although there have been studies on the relationship between serum uric aci...
LCC LCC:Public aspects of medicine; TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
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Nonlinear localized modes in one-dimensional nanoscale dark-state optical lattices
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Nonlinear localized modes in one-dimensional nanoscale dark-state optical lattices
Chen Zhiming et al · Wiley · 2022 · ISSN 2192-8614
Optical lattices (OLs) with conventional spatial periodic λ/2, formed by interfering the counterpropagating laser beams with wavelength λ, are versatile tools to study the dynamical and static properties of ultracold a...
LCC TENDOlBoeXNpY3M~Idioma eng
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Nonlinear plasmonic imaging techniques and their biological applications
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Nonlinear plasmonic imaging techniques and their biological applications
Deka Gitanjal et al · Wiley · 2017 · ISSN 2192-8606
Nonlinear optics, when combined with microscopy, is known to provide advantages including novel contrast, deep tissue observation, and minimal invasiveness. In addition, special nonlinearities, such as switch on/off and ...
LCC TENDOlBoeXNpY3M~Idioma eng
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2D organic-inorganic hybrid perovskite materials for nonlinear optics
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2D organic-inorganic hybrid perovskite materials for nonlinear optics
Han Xiao et al · Wiley · 2020 · ISSN 2192-8606
Two-dimensional (2D) organic-inorganic hybrid perovskites feature characteristics of inherent quantum-well structures and intriguing optoelectronic properties, and have therefore attracted enormous research attention for...
LCC TENDOlBoeXNpY3M~Idioma eng
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A family of evolution equations with nonlinear diffusion, Verhulst growth, and global regulation: Exact time-dependent solutions
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A family of evolution equations with nonlinear diffusion, Verhulst growth, and global regulation: Exact time-dependent solutions
Troncoso, P. et al · Elsevier Science · 2007 · ISSN 0378-4371
A family of evolution equations describing a power-law nonlinear diffusion process coupled with a local Verhulst-like growth dynamics, and incorporating a global regulation mechanism, is considered. These equations admit...
Idioma eng
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A family of nonlinear Schrödinger equations admitting q-plane wave solutions
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A family of nonlinear Schrödinger equations admitting q-plane wave solutions
Nobre, F.D. et al · Elsevier Science · 2017 · ISSN 2457-2462
Nonlinear Schrödinger equations with power-law nonlinearities have attracted considerable attention recently. Two previous proposals for these types of equations, corresponding respectively to the Gross– Pitaievsky eq...
Idioma eng
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Bayesian analysis for comparison of nonlinear regression model parameters: an application to ruminal degradability data Metodologia Bayesiana para comparação de parâmetros de modelos de regressão não-linear: uma aplicação a dados de degradabilidade ruminal
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Bayesian analysis for comparison of nonlinear regression model parameters: an application to ruminal degradability data Metodologia Bayesiana para comparação de parâmetros de modelos de regressão não-linear: uma aplicação a dados de degradabilidade ruminal
Robson Marcelo Rossi et al · Sociedade Brasileira de Zootecnia · 2010 · ISSN 1516-3598
This paper shows the Bayesian approach as an alternative to the classical analysis of nonlinear models for ruminal degradation data. The data set was obtained from a Latin square experimental design, established for test...
LCC LCC:Animal cultureIdioma eng
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Bayesian optimization of Fisher Information in nonlinear multiresonant quantum photonics gyroscopes
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Bayesian optimization of Fisher Information in nonlinear multiresonant quantum photonics gyroscopes
Sun Mengdi et al · Wiley · 2024 · ISSN 2192-8614
We propose an on-chip gyroscope based on nonlinear multiresonant optics in a thin film χ (2) resonator that combines high sensitivity, compact form factor, and low power consumption simultaneously. We theoretically anal...
LCC TENDOlBoeXNpY3M~Idioma eng
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Bifurcation analysis and exploration of new optical soliton solutions in parabolic law medium with weak non-local nonlinearity
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Bifurcation analysis and exploration of new optical soliton solutions in parabolic law medium with weak non-local nonlinearity
Karmina K. Ali et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract In the present study, we examine how optical solitons behave in a synthetic nonlocal nonlinear medium. An analytical investigation is conducted into the nonlinear dynamical model that represents the propagation ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Controllability test for nonlinear datatic systems
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Controllability test for nonlinear datatic systems
Yujie Yang et al · Tsinghua University Press · 2024 · ISSN 2772-4247
Controllability is a fundamental property of control systems, serving as the prerequisite for controller design. While controllability test is well established in modelic (i.e., model-driven) control systems, extending i...
LCC LCC:Transportation engineeringIdioma eng
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Critical evaluation of BNBC seismic response spectrum for Chattogram using one-dimensional nonlinear site response analysis
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Critical evaluation of BNBC seismic response spectrum for Chattogram using one-dimensional nonlinear site response analysis
Aftub Zaman et al · Springer · 2026 · ISSN 2948-1589
Abstract Accurate estimation of ground motion at the surface is fundamental to seismic hazard assessment and resilient infrastructure design. The Bangladesh National Building Code (BNBC) 2020 provides generalized seismic...
LCC TENDOkdlb2xvZ3k~; LCC:Geophysics. Cosmic physicsIdioma eng
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Dynamic Modeling and Nonlinear Vibration Analysis of Dual-Drive Feed System Considering the Moving Contact Interfaces
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Dynamic Modeling and Nonlinear Vibration Analysis of Dual-Drive Feed System Considering the Moving Contact Interfaces
Meng Duan et al · IEEE · 2026 · ISSN 2169-3536
Dual-drive feed systems are widely adopted in high-end CNC machines because of their high precision, rigidity, and operational stability. Vibration suppression during machining is critical to maintaining feed accuracy an...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Dynamical behavior of analytic solutions of the generalized derivative nonlinear Schrödinger equation under stochastic perturbations in fiber communication systems
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Dynamical behavior of analytic solutions of the generalized derivative nonlinear Schrödinger equation under stochastic perturbations in fiber communication systems
Muhammad Amin S. Murad et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract In this study, a range of novel optical soliton solutions to the nonlinear conformable Schrödinger equation influenced by multiplicative white noise is presented. By employing the unified method, several types ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Flat nonlinear optics with intersubband polaritonic metasurfaces
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Flat nonlinear optics with intersubband polaritonic metasurfaces
Krakofsky Jonas H. et al · Wiley · 2025 · ISSN 2192-8614
Nonlinear intersubband polaritonic metasurfaces produce some of the strongest second- and third-order nonlinear optical responses reported for condensed matter systems at infrared frequencies. These metasurfaces are fabr...
LCC TENDOlBoeXNpY3M~Idioma eng
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Global Optimized Isothermal and Nonlinear Models of Earth’s Standard Atmosphere
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Global Optimized Isothermal and Nonlinear Models of Earth’s Standard Atmosphere
Nihad E Daidzic · Embry-Riddle Aeronautical University · 2015 · ISSN 2374-6793
Both, a global isothermal temperature model and a nonlinear quadratic temperature model of the ISA was developed and presented here. Constrained optimization techniques in conjunction with the least-square-root approxima...
LCC LCC:Motor vehicles. Aeronautics. AstronauticsIdioma eng
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Improving the Analytical Method of Convergence Using Runge-Kutta Optimization Algorithm for Solving Fractional-Order Nonlinear Differential Equations
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Improving the Analytical Method of Convergence Using Runge-Kutta Optimization Algorithm for Solving Fractional-Order Nonlinear Differential Equations
Shwan Abdal et al · University of Mosul, College of Education for Pure Science · 2025 · ISSN 1812-125X
Differential equations are equations that relate a function to one or more of its derivatives. Nonlinear means that the equation is not directly proportional to the function and its derivatives. In other words, its varia...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Inverse design of nonlinear metasurfaces for sum frequency generation
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Inverse design of nonlinear metasurfaces for sum frequency generation
Li Neuton et al · Wiley · 2024 · ISSN 2192-8614
Sum frequency generation (SFG) has multiple applications, from optical sources to imaging, where efficient conversion requires either long interaction distances or large field concentrations in a quadratic nonlinear mate...
LCC TENDOlBoeXNpY3M~Idioma eng
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Local and global Solution of fractional Nonlinear Integro-Differential Equation
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Local and global Solution of fractional Nonlinear Integro-Differential Equation
Ghada Shuker Jameel · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT In this paper we study the existence, uniqueness and stability solution of fractional nonlinear integro-differential equation, by using the Picard approximation method , and Banach fixed point method. also we ex...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Method for real-time measurement of the nonlinear refractive index
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Method for real-time measurement of the nonlinear refractive index
Fernández, Manuel Pablo et al · American Institute of Physics · 2019 · ISSN 0021-8979
In this work, we propose a novel method for continuous real-time measurement of the dynamics of the nonlinear refractive index n2. This is particularly important for characterizing phenomena or materials (such as biologi...
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