Near-Infrared Electronically-Controlled Variable Attenuator for W-Band Frequency Range by Suren Gigoyan, Mohammad-Reza Nezhad-Ahmadi

“…This article presents the design, fabrication, and performance evaluation of a novel high-performance millimeter-wave (mm-wave) variable attenuator operating across the 75–110 GHz frequency band, controlled via near-infrared (NIR) illumination. …”
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How Measurement Affects Causal Inference: Attenuation Bias Is (Usually) More Important Than Outcome Scoring Weights by Joshua B. Gilbert

“…This study shows that the psychometric principles most consequential in causal inference are related to attenuation bias rather than optimal outcome scoring weights.…”
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Feasibility and parameter optimization of ground-to-satellite uplink continuous-variable quantum key distribution by Jin Cheng, Yujie Chen, Ao Liu, Xin Sun, Junjie Guo, Bohan Yang, Peng Yin, Wenbo Liu, Lanjian Chen, Chen Dong

“…Driven by the necessitates of wide-area quantum secure communication networks, ground-to-satellite quantum key distribution (QKD) has been highlighted in the field of quantum information. Continuous variable QKD (CV-QKD) shows the advantages of a high secure key rate generation and compatibility in the fiber channel, but the communication range is limited by low attenuation tolerance. …”
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Spatial Resolution of Attenuation Imaging by Ziemowit KLIMONDA, Jerzy LITNIEWSKI, Andrzej NOWICKI

“… The attenuating properties of biological tissue are of great importance in ultrasonic examination even though its anatomical variability limits diagnostics effectiveness. …”
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Light attenuation as a substitute for nutrient supply for maximizing protein content in Gracilaria cornea (Rhodophyta): Modeling nitrogen and phosphorus supplementation using a pha... by Niva Tadmor-Shalev, Dan Tchernov, Andrea Ghermandi, Eli Shemesh, Álvaro Israel, Anna Brook

“…A pharmacokinetic approach determined nutrient dose efficacy and a decision support model identified biotic and abiotic factors affecting protein yield and optimal harvesting day. Results: The cultivation day, treated as a nominal classification fixed variable, was significant in capturing the non-linear response of protein expression. …”
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The Kernel Density Estimation Technique for Spatio-Temporal Distribution and Mapping of Rain Heights over South Africa: The Effects on Rain-Induced Attenuation by Yusuf Babatunde Lawal, Pius Adewale Owolawi, Chunling Tu, Etienne Van Wyk, Joseph Sunday Ojo

“…Understanding the spatial and seasonal distribution of rain heights is crucial for predicting these attenuation effects and for network performance optimization. …”
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Optimization of head and neck vascular CT angiography using variable rate bolus tracking technique and third-generation dual-source CT dual-energy scanning by Wei-Hua Lin, Fei-Peng Zhang, Bing-Quan Wang, Rui-Gang Huang, A-Lai Zhan, Hui-Jun Xiao

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A synthetic data-driven machine learning approach for athlete performance attenuation prediction by Mauricio C. Cordeiro, Ciaran O. Cathain, Ciaran O. Cathain, Lorcan Daly, Lorcan Daly, David T. Kelly, David T. Kelly, Thiago B. Rodrigues

“…This study extends previous research by evaluating Tabular Variational Autoencoders (TVAE) for generating synthetic data to predict performance attenuation in Gaelic football athletes.MethodsThis study assesses synthetic data quality through a comprehensive evaluation framework combining column shape similarity metrics and Hellinger distance analysis, quantifying distributional fidelity across individual variables. …”
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Evaluation and Improvement of Ocean Color Algorithms for Chlorophyll-<i>a</i> and Diffuse Attenuation Coefficients in the Arctic Shelf by Yubin Yao, Tao Li, Qing Xu, Xiaogang Xing, Xingyuan Zhu, Yubao Qiu

“…Arctic shelf waters exhibit high optical variability due to terrestrial inputs and elevated colored dissolved organic matter (CDOM) concentrations, posing significant challenges for the accurate retrieval of chlorophyll-<i>a</i> (Chl-<i>a</i>) and downwelling diffuse attenuation coefficients (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>Κ</mi></mrow><mrow><mi mathvariant="normal">d</mi></mrow></msub><mo>(</mo><mi>λ</mi><mo>)</mo></mrow></semantics></math></inline-formula>). …”
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Vibration Control Strategy of Rotor System Using Variable Stiffness Support by JIN Fuyi, ZANG Chaoping, XING Guangpeng, MA Yuxiang, YUAN Shanhu, JIA Zhigang

“…The results indicate that the variable stiffness strategy of Bang-Bang control can achieve a resonance peak attenuation rate of 80%. …”
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Subtraction fractional flow reserve with computed tomography and pericoronary fat attenuation index enhances the identification of revascularization needs in patients by Tingting Zhu, Yanhui Li, Yujin Wang, Hanxiong Guan, Qian Li, Defu Li

“…By integrating clinical variables, CCTA, FFR-CT, and pericoronary FAI, individualized therapeutic decisions for CAD patients can be further optimized.…”
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Objective and Subjective Assessment of the Sound Attenuation Efficiency Obtained by Custom Moulded Earplugs with Various Acoustic Filters – a Preliminary Study by Roman Gołębiewski, Andrzej Wicher, Artur Duraj, Milena Kaczmarek-Klinowska, Karina Mrugalska-Handke

“…However, this is a time consuming process, and the obtained values are characterised by quite large inter-individual variability. The optimal solution is to measure the attenuation characteristics based on the objective method (without the presence of the subject), the results of which will be in accordance with the results of subjective tests. …”
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Co-Designed Agile Feed Network for a Polarization Tunable 15 GHz Antenna All-Integrated on Silicon by Corentin Le Lez, Rozenn Allanic, Denis Le Berre, Cedric Quendo, Francois Gallee, Aude Leuliet, Thomas Merlet, Rose-Marie Sauvage, Douglas Silva de Vasconcellos, Virginie Grimal, Jerome Billoue

“…Semiconductor Distributed Doped Areas (ScDDAs) are used with an adequate size for the global function optimization and for integrated tunability on a High Resistivity Silicon (HR Si) substrate as variable shunt resistors in the attenuators. …”
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Asociación de variables clínico-neurofisiológicas con la mortalidad por trauma craneoencefálico grave by Alain Cruz Portelles, Raul Ramírez Pupo, Bernardo E. Fernández Chelala, Idaer Batista Ojeda, Pura Avilés Cruz, Celso Ricardo Marrero

“…Palabras clave: trauma craneoencefálico; neuromonitoreo; mortalidad; cuidados intensivos; oximetría yugular   ABSTRACT BACKGROUND: the high mortality after a severe craneoencephalic trauma could be attenuated if the patient receive an optimal multiple intensive neuromonitoring. …”
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Additive Manufactured Compact Microwave Absorbers by Gregory Peter Le Sage, Muhammad Shumail

“…The broadband absorber tried to achieve the best attenuation across the entire 3.95 to 5.85 GHz band. …”
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Fuzzy Logic-Based Performance Enhancement of FSO Systems Under Adverse Weather Conditions by Hassan Yousif Ahmed, Medien Zeghid, Akhtar Nawaz Khan, Somia A. Abd El-Mottaleb

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The added value of quantitative contrast-enhanced CT parameters in distinguishing malignant from benign solid pulmonary nodules by Peng Yun, Zhencheng Zhan, Zijing Wu, Yutong Rao, Ke Sun, Lianggeng Gong

“…Inter-group comparisons for clinical/imaging variables used t-tests/Mann-Whitney U tests or Chi-square/Fisher’s tests. …”
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Unveiling the processing mechanism of Hezi-decoction-processed Tiebangchui: a synthesis approach using UPLC-Q-TOF-MS-based metabolomics and DESI-MSI by Zhen Zhou, Hui-Min Gao, Zhao-Qin Pei, Meng-Xiang Sha, Cong-Ying Li, Yi Zhang, Jin-Song Su, Yue Liu, Xian-Li Meng

“…Hezi-decoction-processed method is a distinctive and effective traditional processing method of Tibetan medicine, but the overall variability of chemical constituents in the Hezi-decoction-processed TBC is still unclear. …”
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Sediment stability is optimized by manipulating planting design during coastal marsh establishment by Christine B. Rohal, Xiao Yu, Jesse Mason Crawford, Ollie Montgomery, Laura K. Reynolds, Carrie Reinhardt Adams

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Optimization of Bacterial Cellulose Production from Waste Figs by <i>Komagataeibacter xylinus</i> by Merve Yilmaz, Yekta Goksungur

“…The utilization of response surface methodology (RSM) proved valuable in both optimizing and finding the interactions between process variables during BC production. …”
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