Showing 21 - 40 results of 955 for search 'zero (source OR sources)', query time: 0.12s Refine Results
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    Model of an acoustic source with discontinuous optimal elements by A. BRAŃSKI

    Published 2014-01-01
    “…Such a model is particularly useful for modelling a source with corners and arbitrary boundary conditions. …”
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    Reusable and robust fuzzy extractor for CRS-dependent sources by Yucheng Ma, Peisong Shen, Xue Tian, Kewei Lv, Chi Chen

    Published 2025-01-01
    “…Existing constructions of reusable and robust fuzzy extractors are all designed in the Common Reference String (CRS) model and work only for CRS-independent sources. In this work, we introduce a construction of reusable and robust fuzzy extractor for CRS-dependent sources. …”
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    Drone Electric Propulsion System with Hybrid Power Source by Jenica-Ileana Corcau, Liviu Dinca, Andra-Adelina Cucu, Dmitrii Condrea

    Published 2025-04-01
    “…By using hydrogen fuel cells as the main power source, it is possible to considerably reduce the power source weight. …”
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    Microbial Assessment of Drinking Water Sources in Himachal Pradesh, India by Sidharath Dev Thakur, Ashok Kumar Panda, Vaneet Diwan, Pravesh Kumar, Madhumeet Singh, Dinesh Kumar Sharma

    Published 2024-12-01
    “…World Health Organization and Bureau of Indian Standards recommend zero tolerance for coliforms in drinking water. A total of 592 drinking sources from 11 districts of Himachal Pradesh, India, were screened for coliform contamination and the presence of fecal origin Escherichia coli. …”
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    A critical non-homogeneous heat equation with weighted source by Razvan Gabriel Iagar, Ariel Sánchez

    “…Some qualitative properties of radially symmetric solutions to the non-homogeneous heat equation with critical density and weighted source \begin{align*} |x|^{-2}\partial _tu=\Delta u+|x|^{\sigma }u^p, \quad (x,t)\in {\mathbb {R}}^N\times (0,T), \end{align*} are obtained, in the range of exponents $p\gt 1$ , $\sigma \ge -2$ . …”
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    Research on optimal power source for passenger transport eVTOL by Shigetoshi TOKUOKA, Yoshiki YAMAGATA, Yoshiaki OHKAMI

    Published 2025-02-01
    “…eVTOL is anticipated to be a new mode of passenger transportation, with battery-powered systems frequently being considered due to their simple architecture, ease of maintenance, and zero in-flight emissions. However, technical limitations of batteries impose constraints on mission profiles, making the selection of the most suitable power source crucial for each application. …”
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    On Data Selection and Regularization for Underdetermined Vibro-Acoustic Source Identification by Laixu Jiang, Jingqiao Liu, Xin Jiang, Yuezhao Pang

    Published 2025-06-01
    “…The number of hologram points in near-field acoustical holography (NAH) for a vibro-acoustic system plays a vital role in conditioning the transfer function between the source and measuring points. The requirement for many overdetermined hologram points for extended sources to obtain high accuracy poses a problem for the practical applications of NAH. …”
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    Improved Control Strategy of Current-Source Converter for HVDC System by Wenwen Zhang, Longlong Chen, Xiaoguang Wei, Lei Qi, Ke Ji, Chong Gao, Zhiyuan He

    Published 2025-01-01
    “…Pulse width modulated current-source converter (PWM-CSC) has great prospects in high voltage direct current transmission system (HVDC) due to its attractive features, such as flexible control characteristics, ability to avoid commutation failure, and lower cost. …”
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    Discharge Experiment and Structure Optimisation Simulation of Impulse Sound Source by Xu Gao, Jing Zhou, Haiming Xie, Xiao Du

    Published 2024-09-01
    “…The results show that the electrode structure directly influences the discharge characteristics of the impulse sound source. After comparison and optimization, the final ball-tipped needle-ring electrode exhibited a broader frequency range—from zero to several hundred thousand Hz—while maintaining a high acoustic amplitude. …”
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    Phosphogypsum as an unconventional source of rare earth elements: Ukraine’s experience by A. P. Mukhachev, D. O. Yelatontsev, L. H. Mesheryakov, O. A. Kharytonova

    Published 2025-06-01
    “…Given the acute shortage of rare earth elements (REEs) caused by the rapid development of modern knowledge-intensive industries, the use of phosphogypsum as a source of these critical metals is of practical interest. …”
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    Diffuse sound field synthesis: Towards practical source layouts by Zotter Franz, Riedel Stefan, Gölles Lukas, Frank Matthias

    Published 2025-01-01
    “…For discrete source layouts, zero active intensity can be approximately synthesized within a domain shrunk by a factor of N/(N+1) N N + 1 $\frac {N}{N+1}$ provided that (i) sources are arranged in uniform directions of a tight spherical 2N+1 design and sample the proposed variance, or (ii) a comparable number of sources with uniform variance is distributed in a minimum potential energy configuration.…”
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    A wavelet modulation method for a quasi-Z-source inverter by LI Zhi-jun, ZHANG Jia-wei, WANG Juan, XI Wen-xia, ZHANG Zi-kun, ZHANG Chuan-bo

    Published 2017-12-01
    “…A wavelet modulation strategy applied to a quasi-Z-source inverter was proposed. The regulating range of the shootthrough duty ratio could be increased by changing the locations of the sampling points set using traditional wavelet-modulation. …”
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