Showing 881 - 900 results of 3,553 for search 'different threshold methods', query time: 0.19s Refine Results
  1. 881

    Dentate gyrus granule cell activation following extracellular electrical stimulation: a multi-scale computational model to guide hippocampal neurostimulation strategies by Shayan Farzad, Shayan Farzad, Tianyuan Wei, Tianyuan Wei, Jean-Marie C. Bouteiller, Jean-Marie C. Bouteiller, Gianluca Lazzi, Gianluca Lazzi, Gianluca Lazzi, Gianluca Lazzi

    Published 2025-08-01
    “…The resulting model simulates electric fields generated by virtual electrodes in the perforant path of entorhinal cortical (EC) axons projecting to the dentate gyrus (DG) and predicts DG granule cell activation via synaptic inputs.ResultsWe determined stimulation amplitude thresholds required for granule cell activation at different electrode placements along the perforant path. …”
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  2. 882

    A quantitative LC-MS/MS method for residues analysis of 62 plant growth regulators and the investigation of their effects on the quality of traditional Chinese medicinal: Codonopsi... by Hongxu Zhou, Hongxu Zhou, Yue Ren, Yangli Wang, Jing Su, Xiangmin Zhou, Siyu Huang, Rui Yan, Jun Zeng, Min Chen, En Zhang, Xiaohu Chen

    Published 2025-07-01
    “…In plant metabolomics, the arrangement of CR samples, which have been exposed to different fertilization levels, along the axes of partial least squares-discriminant analysis (PLS-DA) indicates that the chemical composition of CR experiences substantial alterations once a particular fertilization threshold is surpassed. …”
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  3. 883

    Bayesian FDOA Positioning with Correlated Measurement Noise by Wenjun Zhang, Xi Li, Yi Liu, Le Yang, Fucheng Guo

    Published 2025-04-01
    “…Conventional localization algorithms such as the two-stage weighted least squares (TSWLS) method, which jointly exploits TDOA and FDOA measurements for positioning, are thus no longer applicable since they will suffer from the thresholding effect and yield meaningless localization results. …”
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  4. 884
  5. 885

    Machine learning with the body roundness index and associated indicators: a new approach to predicting metabolic syndrome by Yaxuan He, Zekai Chen, Zhaohui Tang, Yuexiang Qin, Fang Wang

    Published 2025-08-01
    “…Objective To develop a non-invasive prediction model for MetS by integrating body roundness index (BRI), gender, age, height, and waist circumference with machine learning algorithms, and to validate its generalizability across different ethnic groups. Methods We trained and validated machine learning models using a retrospective health examination dataset from Central South University (D1, n = 268,942) and externally validated them on a European cohort (D2, n = 60,799). …”
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  9. 889

    Insulator Partial Discharge Localization Based on Improved Wavelet Packet Threshold Denoising and <inline-formula><math display="inline"><semantics><mrow><msub><mrow><mi mathvarian... by Hongxin Ji, Zijian Tang, Chao Zheng, Xinghua Liu, Liqing Liu

    Published 2025-06-01
    “…Therefore, this paper proposes a three-dimensional spatial localization method of the PD source with a four-element ultra-high-frequency (UHF) array based on improved wavelet packet dynamic threshold denoising and the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>G</mi></mrow><mrow><mi>x</mi><mi>x</mi></mrow></msub><mo>−</mo><mi>β</mi></mrow></semantics></math></inline-formula> generalized cross-correlation algorithm. …”
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  10. 890

    Temperature simulation analysis and wear experimental of diamond abrasive grains cutting steel mixed materials by Min WEI, Yongjin SHI, Zihang GUO

    Published 2025-06-01
    “…The temperature rise in the cutting zones under different cooling methods is analyzed. Finally, experimental cutting tests using diamond wire saws on reinforced concrete material workpieces are conducted to investigate the failure behavior and wear rate of the wire saws under different cooling conditions. …”
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  11. 891

    Valuation and compensation selection algorithm of simulation interferences by S. V. Kozlov

    Published 2019-06-01
    “…Using estimated-compensation method the selection it's motivated the algorithm simulation of interference evaluating the time of arrival and complex amplitude of the output signal consistent with the true signal of the filter, the weight subtracting the copy of the true signal from the input implementation, the formation of sufficient statistics for the two alternatives are «slow» and «fast» differences false signal from the true and comparing them with the threshold. …”
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  12. 892

    Spatial Distribution Characteristics and Co-occurrence Risk of Rainstorms and High Tide Levels in Guangzhou by Zheng Yangkun, Wang Feng, Wei Qiuying, Zhang Yun, Yang Fang, Hu Maochuan

    Published 2025-04-01
    “…Rainfall sequences and corresponding tide-level sequences for each zone were selected using the peak-over-threshold sampling method. On this basis, the designed combinations of rainfall and tide levels under different joint return periods were calculated using Copula functions and the co-frequency method, and their spatial distribution characteristics were analyzed. …”
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  13. 893
  14. 894

    Cinética del lactato como método de entrenamiento de la fuerza en población con factores de riesgo (Lactate kinetics as a strength training method in a population with risk factors... by Mauro Tauda, Eduardo Cruzat Bravo, Felipe Ignacio Suárez Rojas

    Published 2024-10-01
    “…The estimated effect sizes indicate that these variables have a moderate impact on the observed differences between groups and support the utility of these variables, primarily lactate, as a training method. …”
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  15. 895
  16. 896

    Room-Temperature Lasing in Self-Assembled Micro-Rings of CdSe/ZnS Quantum Dots by Xiaoyu Wang, Zelei Chen, Haibin Zhao, Jun Wang

    Published 2025-05-01
    “…The photoluminescence spectra of the QD micro-rings with different pump fluences are studied, and photon lasing with a narrow linewidth (0.3 nm) is found to have been achieved in the micro-rings above the threshold (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>23</mn><mo> </mo><mi mathvariant="sans-serif">μ</mi><mrow><mi mathvariant="normal">J</mi><mo> </mo><mi mathvariant="normal">c</mi></mrow><msup><mrow><mi mathvariant="normal">m</mi></mrow><mrow><mo>−</mo><mn>2</mn></mrow></msup></mrow></semantics></math></inline-formula>). …”
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  18. 898

    Assessing the effects of engineered oyster reefs on shoreline change using drones by Megan E. Geesin, Georgette L. Tso, Hannah Sirianni, Siddharth Narayan, Siddharth Narayan, Chris J. Baillie, Praveen D. Malali, Brandon J. Puckett, Justin T. Ridge, Rachel K. Gittman, Rachel K. Gittman

    Published 2025-08-01
    “…Drones (or small uncrewed aerial systems [sUAS]) coupled with structure-from-motion (SfM) photogrammetry have recently been suggested as a low-cost method that offers optimal spatial coverage, fine-scale resolution, and high vertical accuracy for monitoring changes around living shorelines.MethodsWe evaluated how using different vertical and horizontal uncertainty thresholds for detection of drone-based shoreline change can influence interpretation of performance of engineered oyster reefs on coastal morphology and vegetation. …”
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  19. 899

    <sup>222</sup>Rn Exhalation Rate of Building Materials: Comparison of Standard Experimental Protocols and Radiological Health Hazard Assessment by Francesco Caridi, Lorenzo Pistorino, Federica Minissale, Giuseppe Paladini, Michele Guida, Simona Mancini, Domenico Majolino, Valentina Venuti

    Published 2025-07-01
    “…In detail, six types of natural stones frequently employed for the construction of buildings of historical-artistic relevance were analyzed using the closed chamber method (CCM) combined with the Durridge Rad7 system, by using two experimental protocols that differed in the measurement duration: 10 days (<i>Method 1</i>) versus 24 h (<i>Method 2</i>). …”
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