Showing 1,241 - 1,260 results of 1,797 for search '"harmonics"', query time: 0.07s Refine Results
  1. 1241

    Effects of Rotation and Gravity Field on Surface Waves in Fibre-Reinforced Thermoelastic Media under Four Theories by A. M. Abd-Alla, S. M. Abo-Dahab, A. Al-Mullise

    Published 2013-01-01
    “…The analytical expressions for surface waves velocity and attenuation coefficient are obtained in the physical domain by using the harmonic vibrations and four thermoelastic theories. …”
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    Article
  2. 1242

    Ethical theory of Al-Ghazali by Dudić Mevlud, Smailagić Sumeja

    Published 2024-01-01
    “…Al-Ghazali's interpretation of moral issues will have a significant influence on the development of later philosophical-theological thought in Islam, laying the groundwork for the harmonization of Sufism with orthodox Islam and influencing Muslim and European intellectual currents.…”
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  3. 1243

    Modular nine-level single-phase inverter with quadruple voltage gain using reduced blocking voltage switches by V. Fernão Pires, Armando Cordeiro, Daniel Foito, Joaquim Monteiro, Hao Chen, J. Fernando Silva

    Published 2025-03-01
    “…This paper presents a novel approach to enhancing modular voltage source inverters, focusing on achieving high-voltage gain and minimizing harmonic distortion. The suggested solution includes a transformerless, single-phase, nine-level voltage source inverter that cuts down on the number of passive parts that are needed while still achieving a high-voltage gain of up to four times the input DC voltage sources. …”
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    Article
  4. 1244

    Characterization of Contact-Type Defects in Mortar Using a Nonlinear Ultrasonic Method by Zhichao Nie, Kui Wang, Mingjie Zhao, Xiao Sun

    Published 2020-01-01
    “…Second harmonic generation (SHG) is one of the common techniques in the nonlinear ultrasonic test. …”
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    Article
  5. 1245

    High-Q Resonances Induced by Toroidal Dipole Bound States in the Continuum in Terahertz Metasurfaces by Lincheng Guo, Yachen Gao

    Published 2025-01-01
    “…Owing to their high-quality factor characteristics, BICs are extensively employed in nonlinear harmonic generators and sensors. Here, the influence of structural parameters on radiation modes has been systematically analyzed using band theory; the mechanisms of quasi-BIC mode and BIC mode were also analyzed through multipole decomposition of scattered power and near-field distribution. …”
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  6. 1246

    A secure and robust color image watermarking method using SVD and GAT in the multiresolution DCHWT domain by Boubakeur Latreche, Hilal Naimi, Slami Saadi

    Published 2023-11-01
    “…The method operates within the domain of SVD-based multiresolution discrete cosine harmonic wavelet transforms. In this approach, the pre-processing phase employs successive generalized Arnold transforms to encrypt the RGB watermark layers, significantly enhancing the security of the watermarking algorithm. …”
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    Article
  7. 1247

    Adaptive reuse of modern heritage for cultural purpose: Hybridization strategies in Pier Luigi Nervi Hangar, Italy by Pasquale Cucco, Giulia Neri, Federica Ribera

    Published 2024-06-01
    “…This resurgence often entails the requalification and adaptive reuse of architectural artifacts, harmonizing their historical significance with contemporary demands. …”
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    Article
  8. 1248

    Efficient-Deformable-DETR: Enhancing underwater small target detection in complex environments by Xie Haozheng, Xin Guanghong, Kang Shuo, Xie Qiongdan

    Published 2025-01-01
    “…At the same time, a gradient harmonization mechanism is used to solve the problem of positive and negative sample imbalance, which enhances the model’s learning performance. …”
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  9. 1249

    Choosing preferable labels for the Japanese translation of the Human Phenotype Ontology by Kota Ninomiya, Terue Takatsuki, Tatsuya Kushida, Yasunori Yamamoto, Soichi Ogishima

    Published 2020-06-01
    “…The relationship between the HPO and Mammalian Phenotype translations was also investigated, with the eventual goal of harmonizing the two translations to facilitate phenotype-based comparisons of species in Japanese through cross-species phenotype matching. …”
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    Article
  10. 1250

    Integrated Curriculum in Islamic School: Integration of Knowledge and Parental Involvement by Muhammad Amiruddin Dardiri, Mohamad Zaki Su’aidi

    Published 2024-12-01
    “…The results of the study showed: 1) Al-Azhar Islamic School harmonizes empirical sciences with religious sciences in the education process; 2) The process of integrating educators at home (parents) and at school (teachers) is an essential aspect of implementing an integrative curriculum. …”
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    Article
  11. 1251

    Best available technologies in a modern economy: the basis for import substitution and a tool for transition to a circular economy by F. F. Galimulina, M. V. Shinkevich, I. A. Zaraychenko

    Published 2022-12-01
    “…In this regard, a conceptual model of BAT is proposed, based on the idea of harmonizing the development goals of industrial systems against the background of sanctions pressure on the Russian economy and technological backwardness of domestic manufacturing enterprises, and convergence of key trends in industrial development, in particular, sustainable development, the ESG concept, the green economy and the closed-loop economy. …”
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  12. 1252

    Cathode flow velocity and pressure gradient oscillations in impedance spectroscopy of PEM fuel cells by Andrei Kulikovsky

    Published 2025-04-01
    “…The numerical solution shows that harmonic perturbation of the cell current density generates oscillations of the pressure gradient and SFV. …”
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  13. 1253

    Suppression of Base Excitation of Rotors on Magnetic Bearings by Steven Marx, C. Nataraj

    Published 2007-01-01
    “…This paper deals with rotor systems that suffer harmonic base excitation when supported on magnetic bearings. …”
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  14. 1254

    Multi-objective optimization of a flux switching wound field machine using a response surface-based multi-level design approach by Chiweta E. Abunike, Milad Dowlatshahi, Aliakbar Jamshidi Far, Ogbonnaya I. Okoro, Sumeet S. Aphale

    Published 2025-03-01
    “…Using the Response Surface Method (RSM), Min-Max Search, and Multi-Objective Genetic Algorithms (MOGA), the Response Surface Multi-Level Optimization (RSMLO) method effectively harmonizes these competing objectives. The optimization process resulted in an 11% increase in average torque and a 69.06% reduction in torque ripple, demonstrating significant performance gains. …”
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  15. 1255

    Elastodynamic Solutions of a Finite Soil Layer under Interior Distributed Actions by Shiping Zhang, Zhan Xu

    Published 2021-01-01
    “…Through a method of displacement potentials, Fourier series, and Hankel integral transformation, the generalized solutions of an elastic layer resting on a rigid base under arbitrary, distributed, buried, and time-harmonic loads are developed in this study. With the proposed solution, the specific results for two kinds of uniform distributions as a kind of fundamental solutions in the interaction analysis of media and inclusions by the method of boundary integral equations are included as illustrations. …”
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  16. 1256

    Dynamic Behaviors of a Two-Degree-of-Freedom Impact Oscillator with Two-Sided Constraints by Songtao Li, Qunhong Li, Zhongchuan Meng

    Published 2021-01-01
    “…The dynamic model of a vibroimpact system subjected to harmonic excitation with symmetric elastic constraints is investigated with analytical and numerical methods. …”
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    Article
  17. 1257

    Damping Based Traffic Allocation in Wireless Machine-to-Machine Communications Networks by Ruiguo Yu, Zhenxia Yuan, Mankun Zhao, Mei Yu, Xu Lu

    Published 2013-11-01
    “…When we tried to analyze the load on different paths using the simplest multipath routing algorithms, we found that the load changes just like simple harmonic motion, which inspires us to use physic and mathematic methods and tools to analyze the loading balance problems. …”
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  18. 1258

    A New Method to Improve the Magnetic Gear Torque by Jing Libing, Zhang Ting, Lin Ying, Cheng Jia, Xie Lihui

    Published 2018-01-01
    “…The simulation results show that the output torque of the improved magnetic gear is greatly than the traditional magnetic gear,which can effectively enhance the air gap magnetic density and reduce the air gap harmonic content. It is a great significance to study and apply the torque density of concentric magnetic gear.…”
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  19. 1259

    A Critical Review of the Book English in Educational Administration by Vida Rahiminezhad

    Published 2020-12-01
    “…In other words, educational administration is the process of harmonizing human talents and taking advantage of environmental conditions for educational purposes. …”
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    Article
  20. 1260

    Analysis of Dynamic Characteristics for a Rotor System with Pedestal Looseness by Hui Ma, Xueyan Zhao, Yunnan Teng, Bangchun Wen

    Published 2011-01-01
    “…When the stiffness of the foundation is small and the displacement of pedestal is greater than the looseness clearance, the response of the rotor exhibits period-one and high order harmonic components with the decreasing of looseness clearance, such as 2X, 3X etc. …”
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