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FREQUENCY: 作品数：1580被引量：2728H指数：19; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：姜仕仁应怀樵刘进明谭林林黄学良更多>>; 相关机构：东南大学中国科学院浙江大学清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Health risks of rare earth elements exposure:Impact on mitochondrial DNA copy number and micronucleus frequency: 《Journal of Environmental Sciences》2025年第5期150-160,共11页Shiyi Hong Yali Zhang Qiaojian Zhang Zekang Su Guiping Hu Li Wang Shanfa Yu Xiaojun Zhu Guang Jia; supported by the National Natural Science Foundation of China(Nos.U200420282273603 and 82003427).; Toxic effects in terms of mitochondria and hereditary substances have been characterized in vitro for individual rare earth elements,while,the joint effects of mixed elements exposure in the population remain ambiguou...; 关键词：Rare earth elements Mitochondrial DNA copy number Micronucleus frequency Mixed effect

A WKB method based on parabolic cylinder function for very-low-frequency sound propagation in deep ocean: 《Chinese Physics B》2025年第3期433-446,共14页Jian-Kang Zhan Sheng-Chun Piao Li-Jia Gong Yang Dong Yong-Chao Guo Guang-Xue Zheng; Project supported by the National Natural Science Foundation of China(Grant Nos.12174048 and 12204128)。; A Wentzel-Kramers-Brillouin(WKB)method is introduced for obtaining a uniform asymptotic solution for underwater sound propagation at very low frequencies in deep ocean.The method utilizes a mode sum and employs the re...; 关键词：WKB method normal modes very-low-frequency sound propagation parabolic cylinder function

Are urbanization,biotic and social factors associated with the song frequency and song entropy attributes of three urban syntopic passerines?: 《Avian Research》2025年第1期96-109,共14页Xhareni Díaz-Lezama Alejandro Ariel Ríos-Chelén Jorge Castellanos-Albores Paula LEnríquez; the Consejo Nacional de Humanidades,Ciencias y Tecnologías (CONAHCYT)of Mexico for providing funding for graduate studies of X.D.L. (No.001283);El Colegio de la Frontera Sur for PATM graduate fellowship for fieldwork。; Urban environments have challenging characteristics for bird acoustic communication.High levels of anthropogenic noise,as well as vegetation structure(e.g.,in urban parks),can potentially affect the song frequency cha...; 关键词：Bird song Noise Song entropy Song peak frequency Vegetation

Frequency of Eye Diseases in Subjects Aged 40 and Over: 《Open Journal of Ophthalmology》2025年第1期11-17,共7页Konaté Daouda Yattara Maimouna Dembélé Lucienne Sall Fatou Mariko Bréhima Sogoba Sanata Doumbia Daouda Traoré Abdramane Camara Claude Oumar Bernard Kouma Aminata Keita Koniba Napo Abdoulaye Sylla Fatoumata Traoré Lamine; Although eye problems can occur at any age, they are often common from the age of 40. Eye diseases with a prevalence associated with age and aging will continue to increase in the coming years. Most studies conducted ...; 关键词：FREQUENCY Eye DISEASE MIDDLE Aged ELDERLY PEOPLE

Neural Network-Based Frequency Optimization for Superconducting Quantum Chips: 《Chinese Physics Letters》2025年第3期16-22,共7页Bin-Han Lu Qing-Song Li Peng Wang Zhao-Yun Chen Yu-Chun Wu Guo-Ping Guo; supported by the National Key Research and Development Program of China (Grant No. 2023YFB4502500)。; Optimizing frequency configurations for qubits and gates in superconducting quantum chips presents a complex NP-complete challenge,critical for mitigating decoherence and crosstalk.This paper introduces a neural netwo...; 关键词：QUANTUM OPTIMIZATION VARIATIONAL

Precise Location of Passive Intermodulation in Long Cables by Fractional Frequency Based Multi-Range Rulers: 《ZTE Communications》2025年第1期101-106,共6页DONG Anhua LIANG Haodong ZHU Shaohao ZHANG Qi ZHAO Deshuang; A novel method is developed by utilizing the fractional frequency based multirange rulers to precisely position the passive inter-modulation(PIM)sources within radio frequency(RF)cables.The proposed method employs a s...; 关键词：passive intermodulation LOCATION multi-range

Fermions: Dirac Internal Exchange Frequencies: 《Journal of High Energy Physics, Gravitation and Cosmology》2025年第1期1-7,共7页Doron Kwiat; Using real fields instead of complex ones, it was recently claimed, that all fermions are made of pairs of coupled fields (strings) with an internal tension related to mutual attraction forces, related to Planck’s co...; 关键词：FERMIONS Internal Frequency Exchange Energy COUPLING

Joint Power and Frequency Resource Allocation Algorithm for Integrated Satellite and Terrestrial Networks: 《China Communications》2025年第2期256-268,共13页Xue Guanchang Yang Mingchuan Yuan Shuai Guo Qing Liu Xiaofeng; funded by State Key Laboratory of Micro-Spacecraft Rapid Design and Intelligent Cluster under Grant MS01240103;the National Natural Science Foundation of China under Grant 62071146;National 2011 Collaborative Innovation Center of Wireless Communication Technologies under Grant 2242022k60006.; In this paper,we propose a joint power and frequency allocation algorithm considering interference protection in the integrated satellite and terrestrial network(ISTN).We efficiently utilize spectrum resources by allo...; 关键词：integrated satellite and terrestrial network power allocation resource scheduling spectrum sharing

Optimized Temporary Frequency Support for Wind Power Plants Considering Expanded Operational Region of Wind Turbines: 《CSEE Journal of Power and Energy Systems》2025年第1期51-64,共14页Zhengyang Hu Bingtuan Gao Zhao Xu Sufan Jiang; supported by the National Key R&D Program of China under Grant 2021YFB2400500。; Wind power plants(WPPs)are increasingly mandated to provide temporary frequency support to power systems during contingencies involving significant power shortages.However,the frequency support capabilities of WPPs un...; 关键词：Active power control model predictive control optimized temporary frequency support wind power plant wind turbine.

Frequency-Voltage Active Support Strategy for Hybrid Wind Farms Based on Grid-Following and Grid-Forming Hierarchical Subgroup Control: 《CSEE Journal of Power and Energy Systems》2025年第1期65-77,共13页Haiyu Zhao Qihang Zong Hongyu Zhou Wei Yao Kangyi Sun Yuqing Zhou Jinyu Wen; supported by National Key R&D Program of China(No.2022YFB4202304).; The GFL-GFM hybrid wind farm (HWF) combines the voltage source control advantages of grid-forming (GFM) wind turbines (WTs) with the current source control advantages of grid-following (GFL) wind turbines. It becomes ...; 关键词：Active-reactive power coupling decoupling factor distributed adaptive control frequency-voltage active support GFL-GFM station GFL-GFM subgroup control

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