Showing 261 - 280 results of 1,891 for search 'Formula Renault~', query time: 2.90s Refine Results
  1. 261

    An Ultra-Low Power, Adaptive All-Digital Frequency-Locked Loop With Gain Estimation and Constant Current DCO by Imran Ali, Hamed Abbasizadeh, Muhammad Riaz Ur Rehman, Muhammad Asif, Seong Jin Oh, Young Gun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee

    Published 2020-01-01
    “…The experimental results reveal, DCO draws <inline-formula> <tex-math notation="LaTeX">$480~\mu \text{A}$ </tex-math></inline-formula> current from 0.55 V supply voltage at center frequency. …”
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  2. 262

    On the Evidence of Dynamical Dark Energy by Qing Gao, Zhiqian Peng, Shengqing Gao, Yungui Gong

    Published 2024-12-01
    “…While the DESI BAO data slightly tightens the constraints on model parameters and increases the tension between the Chevallier–Polarski–Linder (CPL) model and the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mo>Λ</mo></semantics></math></inline-formula>CDM model, we find that the influence of DESI BAO data on the constraint of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>w</mi><mn>0</mn></msub></semantics></math></inline-formula> is small in the SSLCPL model. …”
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  3. 263

    Characterization and Selection of WiFi Channel State Information Features for Human Activity Detection in a Smart Public Transportation System by Roya Alizadeh, Yvon Savaria, Chahe Nerguizian

    Published 2024-01-01
    “…The reported classification results show that using only the chirp rate estimated from CSI information as a feature, we achieve precision &#x003D; 83&#x0025;, True Positive <inline-formula> <tex-math notation="LaTeX">$(TP)=94\%$ </tex-math></inline-formula>, True Negative <inline-formula> <tex-math notation="LaTeX">$(TN)= 91\%$ </tex-math></inline-formula> and F1-score &#x003D; 87&#x0025;. …”
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  4. 264

    PSO-Aided Inverse Design of Silicon Modulator by Zijian Zhu, Yingxuan Zhao, Zhen Sheng, Fuwan Gan

    Published 2024-01-01
    “…To tackle this issue, the idea of inverse design, widely adopted in passive photonic devices, can be employed in silicon active devices. As a result, we incorporate the inverse design method with the particle swarm optimization (PSO) algorithm and achieve a G-shaped doping profile for the modulator, exhibiting superior <inline-formula><tex-math notation="LaTeX">$V_{\pi } L$</tex-math></inline-formula> of 0.68 V<inline-formula><tex-math notation="LaTeX">$\cdot$</tex-math></inline-formula>cm and low loss of 9.3 dB/cm. …”
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  5. 265

    Optimization of the Screw Conveyor Device Based on a GA-BP Neural Network by Qiang Guo, Yunpeng Zhuang, Houzhuo Xu, Wei Li, Haitao Li, Zhidong Wu

    Published 2025-01-01
    “…The experimental results indicated that the model’s prediction results were reliable and exhibited higher efficiency compared to other combinations. …”
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  6. 266

    FORMULATION OF CREAM BODY SCRUB FROM ETHANOL EXTRACT OF CASSAVA LEAVES (Manihot esculenta) AS ANTIOXIDANT by Fadhliyah Malik, Suryani Suryani, Sunandar Ihsan, Elvianti Meilany, Rini Hamsidi

    Published 2020-07-01
    “…Determination of antioxidant activity by the method of reduction of free radical DPPH (1,1-diphenyl-2-picryl-hydrazyl). Result : The ethanol extract of cassava leaves are formulated into dosage cream body scrub with concentration variations 0,0085 mg/mL  (formula 1), 0,017 mg/mL  (formula 2), and 0,0255 mg/mL  (formula 3). …”
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  7. 267

    Reliable Quantized Fuzzy Controller Design for Nonlinear Singularly Perturbed Systems With Markovian Jumps and Dynamic Event Triggered Mechanism by Rabeh Abbassi, Mourad Kchaou, Hamdi Gassara, Houssem Jerbi

    Published 2025-01-01
    “…The proposed approach is based on the following key attributes: 1) An event-triggered mechanism that establishes a suitable condition for independent signal transmission from each sensor node to the controller; 2) A stochastic failure model that describes actuator failures; 3) A non-stationary Markov chain that reflects the asynchronous relationship between the system and controller modes; 4) A mode-dependent Lyapunov function is used to establish sufficient conditions to show that the resultant closed-loop system is stochastically mean-square stable with a <inline-formula> <tex-math notation="LaTeX">$\gamma $ </tex-math></inline-formula> level of <inline-formula> <tex-math notation="LaTeX">$ l_{2}-l_{\infty } $ </tex-math></inline-formula> performance index; 5) The theoretical findings are validated by a real numerical example of the Van Der Pol circuit, confirming the effectiveness of the proposed strategy.…”
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  8. 268

    Reconfigurable mmWave Planar Phased Array Featuring Wide Elevation and Full Azimuth Spatial Coverage for 5G Vehicular Application by Saiful Islam, Hanvit Kim, Tuyen Dinh Nguyen, Sunwoo Kim, Hyoungsuk Yoo

    Published 2025-01-01
    “…During simulation, the array demonstrates isolation levels surpassing 20 dB and exhibits a broad <inline-formula> <tex-math notation="LaTeX">$-10 \, \text {dB}$ </tex-math></inline-formula> impedance bandwidth spanning <inline-formula> <tex-math notation="LaTeX">$6570 \, \text {MHz}~(24.36$ </tex-math></inline-formula>&#x2013;<inline-formula> <tex-math notation="LaTeX">$30.93 \, \text {GHz}$ </tex-math></inline-formula>). …”
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  9. 269

    Voltage Reference and Voltage Regulator for the Cryogenic Performance Evaluation of the 22nm FDSOI Technology by Alfonso R. Cabrera-Galicia, Arun Ashok, Patrick Vliex, Andre Kruth, Andre Zambanini, Stefan van Waasen

    Published 2024-01-01
    “…Our experimental results indicate that the cryogenic <inline-formula> <tex-math notation="LaTeX">$V_{\text {th}}$ </tex-math></inline-formula> saturation and the <inline-formula> <tex-math notation="LaTeX">$g_{m}$ </tex-math></inline-formula> increase can be used as circuit design tools, while the LF excess noise is a performance handicap for cryogenic analog circuits.…”
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  10. 270

    High Stability Single-Port Dual Band Microwave Sensor Based on Interdigital Capacitor Structure With Asymmetry Branch Feedline by Syah Alam, Indra Surjati, Lydia Sari, Raden Deiny Mardian, Teguh Firmansyah, Muhammad Iqbal, Slamet Widodo, Mudrik Alaydrus, Zahriladha Zakaria

    Published 2025-01-01
    “…Based on the measurement results, the sensor has high stability both without and with disturbance with an a Frequency Detection Resolution (FDR) of 0.009 - 0.4 GHz/<inline-formula> <tex-math notation="LaTeX">$\Delta \varepsilon _{\mathrm {r}}$ </tex-math></inline-formula>, a Normalized Sensitivity (NS) of 0.4% - 4.4%, and an average accuracy of 90% - 95% for both resonance frequencies, respectively. …”
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  11. 271

    Office BP measurement using conical cuffs in children and adolescents with obesity by Kleo Evripidou, Julio Alvarez-Pitti, Ana De Blas-Zapata, Athanasia Chainoglou, Ioannis Goulas, Karel Herberigs, Gilad Hamdani, Stella Stabouli

    Published 2024-12-01
    “…Arm circumference AC was measured in all participants, and the appropriate cuff size was selected for both conical and cylindrical cuffs.Results Mean participants’ age was 11.8[Formula: see text]2.5 years, mean BMI was 28.8[Formula: see text]3.4 kg/m2, mean BMI z-score was 2.12[Formula: see text]0.32, and mean AC was 30.0[Formula: see text]3.6 cm. …”
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  12. 272

    Impact of Key DMD Parameters on Modal Analysis of High-Reynolds-Number Flow Around an Idealized Ground Vehicle by Hamed Ahani, Mesbah Uddin

    Published 2025-01-01
    “…Key findings show that a 90% contribution to the pressure drag comes from modes with a frequency of less than 26 Hz (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>t</mi></mrow></semantics></math></inline-formula> = 0.187), while the friction drag requires 84 Hz (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>t</mi></mrow></semantics></math></inline-formula> = 0.604) for similar energy capture. …”
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  13. 273

    Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement – identification of biological thresholds and importance of precautionary principle... by N. Bednaršek, H. van de Mortel, G. Pelletier, G. Pelletier, M. García-Reyes, R. A. Feely, A. G. Dickson, A. G. Dickson

    Published 2025-01-01
    “…Predicted responses were categorized into six different categories (linear positive and negative, threshold positive and negative, parabolic and neutral) to delineate responses per species. The results show that 34.4 % of responses are predicted to be positive (<span class="inline-formula"><i>N</i>=33</span>), 26.0 % negative (<span class="inline-formula"><i>N</i>=25</span>), and 39.2 % (<span class="inline-formula"><i>N</i>=38</span>) neutral upon alkalinity addition. …”
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  14. 274

    Aerosol layer height (ALH) retrievals from oxygen absorption bands: intercomparison and validation among different satellite platforms, GEMS, EPIC, and TROPOMI by H. Kim, H. Kim, X. Chen, X. Chen, J. Wang, J. Wang, J. Wang, J. Wang, Z. Lu, Z. Lu, Z. Lu, M. Zhou, G. R. Carmichael, G. R. Carmichael, S. S. Park, J. Kim

    Published 2025-01-01
    “…Given the significant role of aerosol optical depth (AOD) in ALH retrieval, we first evaluate the AOD from these retrievals against the ground-based AErosol RObotic NETwork (AERONET). Results show that the GEMS AOD at 440 nm has better agreement with the AERONET AOD of the <span class="inline-formula">∼</span> 0.9 correlation coefficient (<span class="inline-formula"><i>R</i></span>) than that at 680 nm, both of which underestimate with a negative bias. …”
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  15. 275

    Friction-Induced Pain: From Skin Surface to Brain Activation by Xingxing Fang, Wei Tang, Shousheng Zhang, Yanze Wu, Yifeng Zeng, Yangyang Xia, Ming Zhang

    Published 2025-01-01
    “…The features of <inline-formula> <tex-math notation="LaTeX">$\alpha $ </tex-math></inline-formula> activity, <inline-formula> <tex-math notation="LaTeX">$\beta $ </tex-math></inline-formula> activity, and <inline-formula> <tex-math notation="LaTeX">$\alpha _{\text {peak}}$ </tex-math></inline-formula> extracted from EEG signals were effective in the recognition of pain state, but cannot recognize the pain intensities.…”
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  16. 276

    The ASK-16 motorized glider: an airborne eddy covariance platform to measure turbulence, energy, and matter fluxes by I. Wiekenkamp, A. K. Lehmann, A. Bütow, J. Hartmann, S. Metzger, S. Metzger, T. Ruhtz, C. Wille, M. Zöllner, T. Sachs, T. Sachs

    Published 2025-02-01
    “…The uncertainty of <span class="inline-formula"><i>w</i></span> is between 0.15 and 0.27 m s<span class="inline-formula"><sup>−1</sup></span> (median <span class="inline-formula">=</span> 0.23 m s<span class="inline-formula"><sup>−1</sup></span>), and the uncertainty of <span class="inline-formula"><i>u</i></span> and <span class="inline-formula"><i>v</i></span> ranges between 0.16 and 0.55 m s<span class="inline-formula"><sup>−1</sup></span> (median <span class="inline-formula">=</span> 0.25 m s<span class="inline-formula"><sup>−1</sup></span>). …”
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  17. 277

    Creep enhancement and sliding in a temperate, hard-bedded alpine glacier by J.-P. Roldán-Blasco, A. Gilbert, L. Piard, F. Gimbert, C. Vincent, O. Gagliardini, A. Togaibekov, A. Togaibekov, A. Walpersdorf, N. Maier

    Published 2025-01-01
    “…We interpret this creep factor enhancement as an effect of increasing interstitial water content with depth (from 0 % to 1.3 %), which results in an average value of <span class="inline-formula"><i>A</i>=148</span> MPa<span class="inline-formula"><sup>−3</sup></span> a<span class="inline-formula"><sup>−1</sup></span>. …”
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  18. 278

    Field heterogeneity of soil texture controls leaf water potential spatial distribution predicted from UAS-based vegetation indices in non-irrigated vineyards by L. Delval, J. Bates, J. Bates, F. Jonard, F. Jonard, M. Javaux, M. Javaux

    Published 2025-01-01
    “…Our results demonstrated that in non-irrigated vineyards, the spatial distribution of <span class="inline-formula">Ψ<sub>leaf</sub></span> was mainly governed by the within-vineyard soil hydraulic conductivity heterogeneity (<span class="inline-formula"><i>R</i><sup>2</sup></span> up to 0.81) and was particularly marked when the evaporative demand and the soil water deficit increased, since the range of <span class="inline-formula">Ψ<sub>leaf</sub></span> was greater, up to 0.73 MPa, in these conditions. …”
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  19. 279

    A Pilot Study on the Age-Dependent, Biomechanical Properties of Longitudinal Ligaments in the Human Cervical Spine by Narendra Singh, Ana Trajkovski, Jovan Trajkovski, Robert Kunc, Jose Felix Rodriguez Matas

    Published 2025-01-01
    “…The investigation concentrated on the effects of age on four mechanical parameters of the uniaxial stress–stretch curve: initial tangent stiffness (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>E</mi></mrow><mrow><mn>0</mn></mrow></msub></mrow></semantics></math></inline-formula>), maximum tangent stiffness (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>E</mi></mrow><mrow><mi>m</mi></mrow></msub></mrow></semantics></math></inline-formula>), ultimate stress (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>P</mi></mrow><mrow><mi>u</mi></mrow></msub></mrow></semantics></math></inline-formula>) and ultimate stretch (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>λ</mi></mrow><mrow><mi>u</mi></mrow></msub></mrow></semantics></math></inline-formula>). …”
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  20. 280

    Optimization of Shear-Thickening Polishing Parameters for Optical Glass Based on Grey Relational Analysis by Yunxiao Han, Yangsi Yang, Binghai Lyu, Wei Hang, Xu Wang, Julong Yuan

    Published 2025-01-01
    “…Sixteen orthogonal experiments were conducted to assess the effects of polishing speed (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>V</mi></mrow></semantics></math></inline-formula>), angle (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>θ</mi></mrow></semantics></math></inline-formula>), and slurry concentration (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>C</mi></mrow></semantics></math></inline-formula>) on the material removal rate (MRR) and surface roughness (Ra). …”
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