Showing 281 - 300 results of 613 for search 'Formula Opel~', query time: 1.41s Refine Results
  1. 281

    Effect of Body-Weight-Based Resistance Training on Balance Ability and Fear of Falling in Community-Dwelling Older Japanese Women by Zhenyue Liu, Shuji Sawada, Pengyu Deng, Hisashi Naito, Shuichi Machida

    Published 2025-01-01
    “…The 30 s chair stand test (CS-30) was applied to measure lower-extremity muscle strength, balance ability was evaluated using one-leg standing tests with eyes open (OLST-O) and closed (OLST-C), and fear of falling among all participants was assessed using the Falls Efficacy Scale International (FES-I) before (pre) and after (post) the intervention. …”
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  2. 282
  3. 283

    Application of Bayesian Optimization in Gripper Design for Effective Grasping by Marco Todescato, Dominik T. Matt, Andrea Giusti

    Published 2025-01-01
    “…Numerical results on a set of industrial objects demonstrate the effectiveness of the approach showing up to <inline-formula> <tex-math notation="LaTeX">$\approx 300 \%$ </tex-math></inline-formula> improvement compared to the performance obtained using a fixed set of grippers.…”
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  4. 284

    Design of an Ultra Compact 180-Degree Ring Coupler With Harmonic Suppression Using Composite Lines for Modern RF Systems by Saeed Roshani, Farid Zubir, Mohsen Karimi, Muhammad Akmal Chaudhary, Maher Assaad, Fawwaz Hazzazi, Noorlindawaty Md Jizat, Sobhan Roshani

    Published 2025-01-01
    “…The designed HRC has acceptable performance in operating frequency and higher frequencies. The designed 180-degree ring hybrid coupler (HRC) achieves a broad stop-band ranging from 1.7 GHz to 5 GHz, effectively rejecting <inline-formula> <tex-math notation="LaTeX">$2^{\mathrm {nd}}$ </tex-math></inline-formula> to <inline-formula> <tex-math notation="LaTeX">$6^{\mathrm {th}}$ </tex-math></inline-formula> harmonic. …”
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  5. 285

    A Space Efficient Circular Patch MIMO Antenna Having Six Degrees of Freedom for 5G-n79/WLAN Applications by Susanta Kumar Badi, Om Prakash Acharya, Bhargav Appasani, Nicu Bizon

    Published 2025-01-01
    “…In this article, a single circular patch radiator element of radius 25 mm <inline-formula> <tex-math notation="LaTeX">$\approx ~0.417\lambda _{\mathrm {c}}$ </tex-math></inline-formula> is excited by six <inline-formula> <tex-math notation="LaTeX">$50~\Omega $ </tex-math></inline-formula> co-axial probe feeds spaced equally by <inline-formula> <tex-math notation="LaTeX">${60}^{0}$ </tex-math></inline-formula> to generate six non-orthogonal polarized decoupled radiations with non-orthogonal pattern diversity to realize a multi-input multi-output (MIMO) antenna having six degrees of freedom. …”
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  6. 286

    Applications of α,β-Symmetrical Functions on a Certain Class of Spirallike Functions by Aljazi Alkhammash, Fuad Alsarari

    Published 2022-01-01
    “…In this note, we use the notions of α,β-symmetrical, generalized Janowski-type and spirallike functions to define a new class Sα,βλN,M,μ defined in the open unit disk. In particular, we obtain a structural formula, a representation theorem, Marx-Strohacker inequality. …”
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  7. 287

    Accurate Modeling of GaN HEMTs Oriented to Analysis of Kink Effects in S<sub>22</sub> and h<sub>21</sub>: An Effective Machine Learning Approach by Zegen Zhu, Gianni Bosi, Antonio Raffo, Giovanni Crupi, Jialin Cai

    Published 2024-01-01
    “…The scattering (S-) parameters of the DUT are measured at a frequency up to 65 GHz and at an ambient temperature up to 200&#x00B0;C. The proposed model can accurately reproduce the KEs in <inline-formula> <tex-math notation="LaTeX">$S_{22}$ </tex-math></inline-formula> and in <inline-formula> <tex-math notation="LaTeX">$h_{21}$ </tex-math></inline-formula>, enabling an effective analysis of their dependence on the operating conditions, bias point and ambient temperature. …”
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  8. 288

    Harnessing the Power of Long-Range Entanglement for Clifford Circuit Synthesis by Willers Yang, Patrick Rall

    Published 2024-01-01
    “…In particular, in an architecture using one such entanglement bus, we give a synthesis scheme for arbitrary Clifford operations requiring at most <inline-formula><tex-math notation="LaTeX">$2n+1$</tex-math></inline-formula> layers of entangled state injections, which can be computed classically in <inline-formula><tex-math notation="LaTeX">$O(n^{3})$</tex-math></inline-formula> time. …”
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  9. 289

    Similarity of Overlap Functions and Robustness of Fuzzy Reasoning by Songsong Dai, Qiuchen Ruan

    Published 2025-01-01
    “…Subsequently, we examine the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>δ</mi></semantics></math></inline-formula>-equality of several operations on overlap functions, including meet, join, and weighted sum, to assess how these operations maintain the similarity. …”
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  10. 290

    Studies on the High-Power Piezoelectric Property Measurement Methods and Decoupling the Power and Temperature Effects on PZT-5H by Wenchao Xue, Xiaobo Wang, Yuliang Zhu, Chengtao Luo

    Published 2025-01-01
    “…For those piezoelectric materials that operate under high-power conditions, the piezoelectric and dielectric properties obtained under small signal conditions cannot be directly applied to high-power transducers. …”
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  11. 291

    Bioenergetic Modeling of the Relationship Between Voltage and Electroactive Microbial Biomass Yield for Bioelectrochemical Carbon Dioxide Reduction to Methane by Vafa Ahmadi, Nabin Aryal

    Published 2025-01-01
    “…While most studies assume constant growth yields or rely on empirical estimates, this study presents a novel thermodynamic model, linking anodic oxidation and cathodic carbon dioxide (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>C</mi><mi>O</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></semantics></math></inline-formula>) reduction to methane (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>C</mi><mi>H</mi></mrow><mrow><mn>4</mn></mrow></msub></mrow></semantics></math></inline-formula>) by growing microbial biofilm. …”
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  12. 292

    Accurate Sum and Dot Product with New Instruction for High-Precision Computing on ARMv8 Processor by Kaisen Xie, Qingfeng Lu, Hao Jiang, Hongxia Wang

    Published 2025-01-01
    “…The number of floating-point operations has been reduced from <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>7</mn><mi>n</mi><mo>−</mo><mn>5</mn></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>10</mn><mi>n</mi><mo>−</mo><mn>5</mn></mrow></semantics></math></inline-formula> to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>4</mn><mi>n</mi><mo>−</mo><mn>2</mn></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>7</mn><mi>n</mi><mo>−</mo><mn>2</mn></mrow></semantics></math></inline-formula>, compared with the classic compensated precision algorithms. …”
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  13. 293

    Distance Learning and the Quality of Teacher Education in Rwanda: A Case Study of Byumba Distance Learning by Anastase, Mvuyekure

    Published 2023
    “…In accordance with the number of respondents, Cochran's formula for sample size was used, and the formula gave a sample size of 58 respondents. …”
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  14. 294
  15. 295

    Testing holographic entropy inequalities in 2 + 1 dimensions by Brianna Grado-White, Guglielmo Grimaldi, Matthew Headrick, Veronika E. Hubeny

    Published 2025-01-01
    “…Abstract We address the question of whether holographic entropy inequalities obeyed in static states (by the RT formula) are always obeyed in time-dependent states (by the HRT formula), focusing on the case where the bulk spacetime is 2 + 1 dimensional. …”
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  16. 296

    The Multimessenger Contribution of Ultra-High-Energy Cosmic Rays from Gamma-Ray Bursts by Zhenjiang Li, Fangsheng Min, Yi Jin, Yiqing Guo

    Published 2025-01-01
    “…In the benchmark case with a jet opening angle of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>θ</mi><mi>j</mi></msub><mo>=</mo><mn>1</mn></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>f</mi><mrow><mi>C</mi><mi>R</mi></mrow></msub><mo>=</mo><mn>1</mn></mrow></semantics></math></inline-formula>, we find that both high- and low-luminosity populations contribute to less than 10% of the UHECR spectrum. …”
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  17. 297

    A Low Complexity Dual-Phase Alternating Scheme is Used With the PTS Method to Reduce PAPR for B5G Systems by Yung-Ping Tu, Chen-Wei Hsu

    Published 2025-01-01
    “…In the second stage, we use the dual-phase alternation of 0 and <inline-formula> <tex-math notation="LaTeX">$\pi $ </tex-math></inline-formula> radian to wimple the effect of the peaking power of each subcarrier on PAPR one by one until the estimated amount <inline-formula> <tex-math notation="LaTeX">$\beta $ </tex-math></inline-formula>. …”
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  18. 298
  19. 299

    A mm-Wave 5G Double Slot Array Antenna Based on Gap Waveguide Technology and Glide Symmetries by Panagiotis Petroutsos, Stavros Koulouridis

    Published 2025-01-01
    “…The measured normalized radiation patterns show that the level of lateral lobes is below -9 dB and -10 dB at <inline-formula> <tex-math notation="LaTeX">$\varphi = 0^{\mathrm {o}}$ </tex-math></inline-formula> and <inline-formula> <tex-math notation="LaTeX">$\varphi = 90^{\mathrm {o}}$ </tex-math></inline-formula> respectively over the operating frequency range, while the measured peak gain ranges from 16.56 dBi to 18.75 dBi, and the aperture efficiency is up to 75%. …”
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  20. 300

    On the Twistability of Partially Coherent, Schell-Model Sources by Riccardo Borghi

    Published 2025-01-01
    “…By employing an abstract operatorial language, the problem of determining the highly degenerate spectrum of a twisted operator <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mover accent="true"><mi>W</mi><mo stretchy="false">^</mo></mover><mi>u</mi></msub></semantics></math></inline-formula> is addressed through a modal analysis based on the complete knowledge of the spectrum of the <i>sole</i> twist operator <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mover accent="true"><mi>T</mi><mo stretchy="false">^</mo></mover><mi>u</mi></msub></semantics></math></inline-formula>, as found by R. …”
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