Showing 881 - 900 results of 1,318 for search '"harmonics"', query time: 0.05s Refine Results
  1. 881

    The Nonlinear Distortions in the Oscillatory System of Generator on CFOA by Yuriy Konstantinovich Rybin

    Published 2012-01-01
    “…The paper shows that output current limiting under current output connection of capacitive load reduces frequency range and output voltage amplitude considerably and increases harmonic distortions in comparison with classical oscillatory systems. …”
    Get full text
    Article
  2. 882

    Improved Dynamic Response of a Single-Phase-Integrated KY Boost Converter with an MLI System of a DC-AC Converter in Motor Speed Regulation by V. Mohan, K. Nandakumar

    Published 2023-01-01
    “…The main purpose of this suggested technique is to match the output current, total harmonic distortion (THD), and dynamic response of closed-loop PI and FOPID-controlled KBC-MLI systems. …”
    Get full text
    Article
  3. 883

    Theoretical and Numerical Analysis of Coupled Axial-Torsional Nonlinear Vibration of Drill Strings by Xinye Li, Tao Yu, Lijuan Zhang, Hao Zeng, Congcong Duan

    Published 2021-01-01
    “…Based on a lumped parameter model with two degrees of freedom, the periodic response of the coupled axial-torsional nonlinear vibration of drill strings is studied by HB-AFT (harmonic balance and alternating frequency/time domain) method and numerical simulations. …”
    Get full text
    Article
  4. 884
  5. 885

    Nonlinear Optical Imaging to Evaluate the Impact of Obesity on Mammary Gland and Tumor Stroma by Thuc T. Le, Charles W. Rehrer, Terry B. Huff, Maxine B. Nichols, Ignacio G. Camarillo, Ji-Xin Cheng

    Published 2007-05-01
    “…Using coherent anti-Stokes Raman scattering and second harmonic generation on the same platform, we simultaneously imaged mammary adipocytes, blood capillaries, collagen fibrils, and tumor cells without any labeling. …”
    Get full text
    Article
  6. 886

    COMPLEX SYMBOL "MIND" AND THE EPISTEMOLOGICAL RELATIVISM by Gintautas Mažeikis

    Published 1999-01-01
    “…There are short interpretations of various types of symbol "Mind": "the first cause of movement", "basis of being", "force of salvation", "strenght of harmonizing of cosmos", "creative power of form of thinking", "basis of structure of Ego", "product of connections of neurones", "expression of social and natural relations". …”
    Get full text
    Article
  7. 887

    Dynamic Viscoelastic Effects on Sound Wave Diffraction by Spherical and Cylindrical Shells Submerged in and Filled with Viscous Compressible Fluids by Seyyed M. Hasheminejad, Naemeh Safari

    Published 2003-01-01
    “…The novel features of Havriliak-Negami model for viscoelastic material dynamic behaviour description along with the appropriate wave-harmonic field expansions and the pertinent boundary conditions are employed to develop a closed-form solution in form of infinite series. …”
    Get full text
    Article
  8. 888
  9. 889

    Comparison of Frequency Domain and Time-Domain Methods for Aeromechanical Analysis by M. T. Rahmati

    Published 2016-01-01
    “…Comparisons of two different frequency methods, nonlinear harmonic and phase solution method, show that these methods can produce different results due to the differences in numeric and physical conditioning. …”
    Get full text
    Article
  10. 890

    Topological Indices of Pent-Heptagonal Nanosheets via M-Polynomials by Hafiza Bushra Mumtaz, Muhammad Javaid, Hafiz Muhammad Awais, Ebenezer Bonyah

    Published 2021-01-01
    “…In this paper, we used the M-polynomial-based TIs such as 1st Zagreb, 2nd Zagreb, modified 2nd Zagreb, symmetric division deg, general Randi c´, inverse sum, harmonic, and augmented indices to study the chemical structures of pent-heptagonal nanosheets of VC5C7 and HC5C7. …”
    Get full text
    Article
  11. 891

    Genetic Information to Share with Parents when Newborn Screening Reveals the Presence of Sickle Cell Trait by Narcisse Elenga

    Published 2024-01-01
    “…Neonatal screening programs should develop systems that allow referring physicians to easily access the results of neonatal screening electronically. Harmonization of practices should allow a better analysis of the consequences of this counselling on family projects.…”
    Get full text
    Article
  12. 892

    Bending Vibration Analysis of Tensioned Ball Screw under Nonuniform Stress during the Cutting Process by Cheng Zhang, Jianrun Zhang

    Published 2019-01-01
    “…Furthermore, the change of first two natural frequencies presents a simple harmonic trend with the force moving along the ball screw. …”
    Get full text
    Article
  13. 893

    Cross-Border Cooperation and the European Administrative Space – Prospects from the Principle of Mutual Recognition by Joachim Beck

    Published 2015-06-01
    “…Based on the analysis of central challenges of practical cross-border governance, the article examines the question whether the application the principle of mutual recognition, initially developed for the free movement of goods in the non-harmonized area, could provide a basis for substantial improvement in European cross-border cooperation. …”
    Get full text
    Article
  14. 894

    PENGEMBANGAN MODUL ELEKTRONIK BERBANTUAN SIMULASI PhET PADA POKOK BAHASAN GERAK HARMONIK SEDERHANA DI SMA by Melva Oktaviana, Desy Hanisa Putri, Eko Risdianto

    Published 2020-08-01
    “…The objectives of this research and development were: 1) identifying the level of need for E-Module teaching materials and learning media and 2) developing electronic learning modules assisted by PhET simulation on the subject of simple harmonic motion in high school. The instruments used in this study were observation sheets, student and teacher questionnaire sheets, and questionnaire validity test sheets by the expert team. …”
    Get full text
    Article
  15. 895

    Soil-Pile Interaction in the Pile Vertical Vibration Based on Fictitious Soil-Pile Model by Guodong Deng, Jiasheng Zhang, Wenbing Wu, Xiong Shi, Fei Meng

    Published 2014-01-01
    “…Firstly, assuming the surrounding soil of pile to be viscoelastic material and considering its vertical wave effect, the governing equations of soil-pile system subjected to arbitrary harmonic dynamic force are founded based on the Euler-Bernoulli rod theory. …”
    Get full text
    Article
  16. 896

    Effects of Differently Located Clearance on the Dynamic Responses of a Two-Degree-of-Freedom Vibration System by Yan Yang, Guanwei Luo

    Published 2021-01-01
    “…The mechanical model of a two-degree-of-freedom forced harmonic vibration system with multiclearance rigid constraints is established, considering the location schemes of symmetrical both-sided clearance and asymmetrical multiple clearance. …”
    Get full text
    Article
  17. 897

    Shockwave-Based Automated Vehicle Longitudinal Control Algorithm for Nonrecurrent Congestion Mitigation by Liuhui Zhao, Joyoung Lee, Steven Chien, Cheol Oh

    Published 2017-01-01
    “…A shockwave-based speed harmonization algorithm for the longitudinal movement of automated vehicles is presented in this paper. …”
    Get full text
    Article
  18. 898

    A New Multilevel Inverter Topology for Grid-Connected Photovoltaic Systems by Muhammad Bilal Satti, Ammar Hasan, Mian Ilyas Ahmad

    Published 2018-01-01
    “…The inverter can have a significant impact on the overall performance of the GCPS, including maximum power point (MPP) tracking, total harmonic distortion (THD), and efficiency. Multilevel inverters are one of the most promising classes of converters that offer a low THD. …”
    Get full text
    Article
  19. 899

    Deadbeat Control of a Modified Single-Phase Five-Level Photovoltaic Inverter with Reduced Number of Switches by Mohsen Ghorbanali Afjeh, Mojtaba Babaei, Mohsen Alizadeh Bidgoli, Amir Ahmarinejad

    Published 2020-01-01
    “…Simulation and laboratory prototype results show that IEC 62040-3 harmonic constraints is met for the proposed photovoltaic inverter in standalone applications.…”
    Get full text
    Article
  20. 900

    DIE UNTERSUCHUNG DER WERTE RELIGIOSO UND „LUGUBRE“ IN DEN KLAVIERWERKEN „AUX CYPRÈS DE LA VILLA D’ESTE – THRÉNODIE I., II.” UND „SURSUM CORDA” VON FRANZ LISZT by Miklós FEKETE

    Published 2012-12-01
    “…The musical analysis proposes to identify and exemplify a few of lisztian procedures, compositional techniques and means of expression, which – on the one hand – do define the structure, the melodic and harmonic aspects of the musical discourse, and – on the other hand – aim to express feelings, and through these certain aesthetic and ethical values. …”
    Get full text
    Article