Showing 1,301 - 1,320 results of 1,797 for search '"harmonics"', query time: 0.07s Refine Results
  1. 1301

    Thermally Stable Ag2Se Nanowire Network as an Effective In‐Materio Physical Reservoir Computing Device by Takumi Kotooka, Sam Lilak, Adam Z. Stieg, James K. Gimzewski, Naoyuki Sugiyama, Yuichiro Tanaka, Takuya Kawabata, Ahmet Karacali, Hakaru Tamukoh, Yuki Usami, Hirofumi Tanaka

    Published 2024-12-01
    “…The device, made up of a random, highly interconnected network of nonlinear Ag2Se nanojunctions as reservoir nodes, demonstrated the requisite characteristics of an in‐materio physical reservoir, including but not limited to nonlinear switching, memory, and higher harmonic generation. The power consumption of the in‐materio physical reservoir is 0.07 nW per nanojunctions, confirming its highly efficient information processing system. …”
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  2. 1302

    Sub-Synchronous Oscillation Analysis and Suppression in Hybrid Wind Farm by Yun Wang, Mingkun Liang, Feilong Xie, Chaoyang Long, Rong Yang

    Published 2025-01-01
    “…A robust SSO suppression controller based on H<sub>∞</sub> theory is proposed, demonstrating a substantial reduction in harmonic distortion and improved settling time compared to conventional control strategies under varying disturbances. …”
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  3. 1303

    Nonlinear Resonance Analysis of Slender Portal Frames under Base Excitation by Luis Fernando Paullo Muñoz, Paulo B. Gonçalves, Ricardo A. M. Silveira, Andréa Silva

    Published 2017-01-01
    “…The transformation of equations of motion to the frequency domain is made through the harmonic balance method in conjunction with the Galerkin method. …”
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  4. 1304

    Presenting Hayek’s Theory of Social Justice in the Context of His Intellectual Journey and Some Critiques on It by Vahid Moghadam, Marjan Esmaili Karbasi

    Published 2022-04-01
    “…Distributive justice conflicts with such rules and leads to the creation of wealthy tribal communities because it causes inefficiency by failing to harmonize the economy. This method of theorizing has been neglected in many theories of justice, even in the most famous ones, because they do not pay much attention to the way people interact in society. …”
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  5. 1305

    The Issue of Grooms Wearing Henna on Their Fingers: An Analysis Based on the Syafii School and Fatwa in Malaysia by Mohd Azhar Abdullah, Irwan Mohd Subri, Muhammad Lukman Ibrahim, Muhammad Amiri Abdul Ghani

    Published 2023-05-01
    “…This study uses a qualitative methodology through content analysis to examine the views of the Syafii school of jurisprudence in accordance with the uruf in Malaysia as decreed in the states. It aims to harmonize Muslims according to the Malaysian model. …”
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  6. 1306

    Properties of GH4169 Superalloy Characterized by Nonlinear Ultrasonic Waves by Hongjuan Yan, Chunguang Xu, Dingguo Xiao, Haichao Cai

    Published 2015-01-01
    “…The nonlinear ultrasonic coefficients β and δ are related to the fundamental and harmonic amplitudes. The nonlinear ultrasonic testing system is used to detect received signals during tensile testing and bending fatigue testing of GH4169 superalloy. …”
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  7. 1307

    Determination of Mapping Relation between Wheel Polygonalisation and Wheel/Rail Contact Force for Railway Freight Wagon Using Dynamic Simulation by Jian Mu, Jing Zeng, Qunsheng Wang, Hutang Sang

    Published 2021-01-01
    “…Subsequently, the vehicles with low-order polygonal wear, whether in empty or loaded conditions, are simulated at different speeds considering different amplitudes and harmonic orders of the wheel polygonalisation and thus the mapping relation between wheel/rail impact force and wheel polygonalisation is obtained. …”
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  8. 1308

    Synthesis of Symmetrical and Asymmetrical Azines Encompassing Naphtho[2,1-b]furan by a Novel Approach by K. Veena, M. Ramaiah, G. K. Vanita, T. S. Avinash, V. P. Vaidya

    Published 2011-01-01
    “…All the newly synthesized compounds have been characterized by analytical and spectral studies and were screened for antibacterial antibacterial activity against Bacillus subtilus and Alcaligenes fecalies and antifungal activity against Aspergillus nidulans, Aspergillus parasiticus and Aspergillus terrus. The Second Harmonic Generation (SHG) efficiency of some of the synthesized compounds was measured by powder technique using Nd:YAG laser.…”
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  9. 1309

    Chemical Etching, AFM, Laser Damage Threshold, and Nonlinear Optical Studies of Potential Nonlinear Optical Crystal: Bis (L-Glutamine) Potassium Nitrate by Redrothu Hanumantharao, S. Kalainathan

    Published 2013-01-01
    “…The laser damage threshold energy has been measured by irradiating laser beam using a Q-switched Nd: YAG laser (1064 nm). Second harmonic generation (SHG) studies have been performed by famous Kurtz powder technique with reference to standard potassium dihydrogen phosphate single crystals (KDP). …”
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  10. 1310

    Multi-parameter control of photodetection in van der Waals magnet CrSBr by Shiqi Yang, Zhigang Song, Yuchen Gao, Leyan Huang, Xinyue Huang, Pingfan Gu, Wenjing Liu, Zuxin Chen, Yu Ye

    Published 2025-02-01
    “…Nevertheless, the integration of such capabilities within a single device is challenging due to the necessity of harmonizing multiple materials with varying degrees of freedom. …”
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  11. 1311

    A Novel Technique to Compute the Revisit Time of Satellites and Its Application in Remote Sensing Satellite Optimization Design by Xin Luo, Maocai Wang, Guangming Dai, Xiaoyu Chen

    Published 2017-01-01
    “…The technique is discussed using the Bezout equation and takes the gravitational second zonal harmonic into consideration. The concept of subcycles is defined in a general way and the general concept of “small” offset is replaced by a multiple of the minimum interval on equator when analyzing the revisit time of remote sensing satellites. …”
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  12. 1312

    Modelling of phase equilibria in the Hf-V system below room temperature by Vřešťál J., Pavlů J., Wdowik U.D., Šob M.

    Published 2017-01-01
    “…Under the assumption of validity of harmonic approximation and electronic contribution to the heat capacity, the thermodynamics of C15 and orthorhombic phase were described. …”
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  13. 1313

    Solitary wave solutions of the time fractional Benjamin Bona Mahony Burger equation by K. Pavani, K. Raghavendar, K. Aruna

    Published 2024-06-01
    “…This equation also describes cold plasma for hydromagnetic and audio waves in harmonic crystals. The natural transform decomposition method is used to obtain the analytical solution to the time fractional Benjamin Bona Mahony Burger equation. …”
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  14. 1314

    The social costs of pesticides: a meta-analysis of the experimental and stated preference literature by Elvia Rufo, Roy Brouwer, Pieter van Beukering

    Published 2024-12-01
    “…Equally important is the need to further harmonize stated and revealed preference valuation research design and reporting to facilitate the application of previous study findings to new policy and decision-making contexts.…”
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  15. 1315

    Dynamics of Nonlinear Coupled Electrostatic Micromechanical Resonators under Two-Frequency Parametric and External Excitations by Wen-Ming Zhang, Guang Meng, Ke-Xiang Wei

    Published 2010-01-01
    “…The micro-structure is excited by a dc bias electrostatic force and a harmonic force with a frequency tuned closely to their fundamental natural frequencies (combination oscillation). …”
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  16. 1316

    Higher Education in the Far East: Market Position and Development Needs of the Region by T. N. Blinova, A. V. Fedotov

    Published 2019-08-01
    “…The article shows that the system of forming management decisions in terms of harmonizing the demand for higher education services, their supply and development needs of the region requires a deeper differentiation in conjunction with factors affecting the market for higher education services. …”
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  17. 1317

    Substorm Induced Nighttime Plasma Flow Pulsations Observed by ROCSAT‐1 at Topside Ionosphere by S.‐Y. Su, Y.‐Y. Sun, C.‐K. Chao, L.‐C. Tsai, C. H. Liu

    Published 2023-03-01
    “…The hodograms of the polarization in the Pi1 frequency is shown to be linearly polarized, while the left‐handed polarization is seen in the Pi2 frequencies that are in harmonic relationship. These plasma flow pulsations in the nighttime topside ionosphere are caused by the field‐line‐resonance magnetic field pulsations converted from the inward propagated compressional disturbance across the nighttime magnetosphere/plasmasphere which is originated at the near‐Earth magnetotail at the substorm onset.…”
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  18. 1318

    Design and Construction of Position Sensorless Controller of Permanent Magnet Synchronous Motor with Internal Magnet based on Improved Phase-Locked Loop by Saeed Abazari, Sajad Mohamadi, Gholamreza Arab

    Published 2024-09-01
    “…One of these methods is estimation by injecting harmonic current into the stator winding. In this paper, using high-frequency currents injected into the stator, the rotor position in IPMSM motors is estimated. …”
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  19. 1319

    Dynamic Model of Spur Gear Pair with Modulation Internal Excitation by Zhong Wang, Lei Zhang, Yuan-Qing Luo, Chang-Zheng Chen

    Published 2017-01-01
    “…In the actual measurements, vibration and noise spectrum of gear pair often exhibits sidebands around the gear mesh harmonic orders. In this study, a nonlinear time-varying dynamic model of spur gear pair was established to predict the modulation sidebands caused by the AM-FM modulation internal excitation. …”
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  20. 1320

    Advancements in Acoustic Cavitation Modelling: Progress, Challenges, and Future Directions in Sonochemical Reactor Design by T.Joyce Tiong, Jin Kiat Chu, Khang Wei Tan

    Published 2025-01-01
    “…In addition to bubble-induced cavitation, the review addresses nonlinear wave propagation in the absence of bubbles, highlighting phenomena such as harmonic generation and shock wave formation. A detailed discussion on the numerical modelling of ultrasonic systems follows, covering linear and nonlinear approaches, boundary conditions, and the challenges of accurately simulating cavitating systems. …”
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