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PERIODICITY: 作品数：206被引量：375H指数：8; 导出分析报告; 相关作者：韩延本胡辉张书年梁金玲吴玉珍更多>>; 相关机构：中国科学院国家天文台上海交通大学东南大学北京科技大学更多>>; 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教育部留学回国人员科研启动基金更多>>

Spatiotemporal pattern formation in parametrically driven two-dimensional Bose–Einstein condensates: 《Communications in Theoretical Physics》2024年第12期148-154,共7页Jun Wan Wen Wen Hui-jun Li; supported by the National Natural Science Foundation of China(NSFC)under Grant Nos.12074343(WW and HJL);the Natural Science Foundation of Zhejiang Province of China under Grant No.LZ22A050002(HJL)。; We investigate spatiotemporal periodic patterns in harmonically trapped Bose–Einstein condensates(BECs)driven by a periodic modulation of the interaction.Resonant with the breathing mode,we show the emergence of a sq...; 关键词：square lattice pattern spatio-temporal periodicity triad interaction

A Periodicity Property of Symmetric Algebras with Actions of Metacyclic Groups in the Modular Case: 《Journal of Mathematical Research with Applications》2023年第6期665-672,共8页Yang ZHANG Jizhu NAN Haixian CHEN; Supported by the National Natural Science Foundation of China(Grant No.12171194);the Natural Science Foundation for Young Scientists of Shanxi Province(Grant No.201901D211184)。; In this paper,we consider the decomposition of the symmetric algebra F[V]into indecomposables with linear actions of a metacyclic group G=C_(p)×H,where H is a p′-group,and prove a periodicity property of the symmetr...; 关键词：indecomposable module symmetric algebra periodicity property

Parameter estimation method for a linear frequency modulation signal with a Duffing oscillator based on frequency periodicity: 《Chinese Physics B》2023年第8期237-246,共10页张宁哲闫晓鹏吕明慧陈秀梅黄鼎琨; Project supported by the National Natural Science Foundation of China(Grant No.61973037)。; In view of the complexity of existing linear frequency modulation(LFM)signal parameter estimation methods and the poor antinoise performance and estimation accuracy under a low signal-to-noise ratio(SNR),a parameter e...; 关键词：linear frequency modulation(LFM)signal Duffing oscillator frequency periodicity parameter estimation

Evolutionary games and spatial periodicity: 《Journal of Automation and Intelligence》2023年第2期79-86,共8页Te Wu Feng Fu Long Wang; support from NSFC,China(62036002,62273226)is gratefully acknowledged;supported by the Fundamental Research Funds for Central Universities,Xidian University,China(JB210414).; Spatial interactions are considered an important factor influencing a variety of evolutionary processes that take place in structured populations.It still remains an open problem to fully understand evolutionary game ...; 关键词：Spatial games Evolutionary dynamics Periodic cycles Kaleidoscopic cooperation Spatial reciprocity

Revealing the Fluttering Motions of Mid-Water Trawl Codend Through Sea Trials:Case Study of Antarctic Krill Trawl Codend: 《Journal of Ocean University of China》2023年第2期555-564,共10页LIU Wei TANG Hao NYATCHOUBA NSANGUE Bruno Thierry ZHANG Feng YIN Liqiang XU Liuxiong HU Fuxiang LIU Pengfei; This study was supported by the National Natural Science Foundation of China(No.31902426);the Shanghai Sailing Program(No.19YF1419800);the Special Project for Exploitation and Utilization of Antarctic Biological Resources of the Ministry of Agriculture and Rural Affairs(No.D-8002-18-0097).; The dynamic coupling between the fluttering motions and hydrodynamic characteristics of codend is essential in understanding the trawl selectivity through fish response and the drag force acting on the whole trawl.Thi...; 关键词：codend fluttering motions sea trials Morlet wavelet PERIODICITY

The impact of magnetic field periodicity on the hysteresis loss in superconducting magnetic bearings: 《Superconductivity》2023年第1期55-62,共8页Mohammad Siamaki James G.Storey Lars Wiesehoefer Rodney A.Badcock; Since the discovery of high‐temperature superconductors(HTS),superconducting magnetic bearings(SMB)have attracted much attention for practical applications such as flywheel energy storage systems,electrical machines,...; 关键词：Superconducting bearings Hysteresis loss

Long-term cycles of the Solar System concealed in the Mesozoic sedimentary basin record被引量：2: 《Science China Earth Sciences》2023年第2期358-376,共19页Rui ZHANG Zhijun JIN Michael GILLMAN Quanyou LIU Ren WEI Peng LI Zhihui ZHANG; supported by the National Natural Science Foundation of China(Grant Nos.42102166,42090025,and 41625009)。; Mounting evidence indicates that the orbital period of the solar system’s movement through the Milky Way has had a controlling effect on processes of the Earth’s system throughout the Phanerozoic.To decipher the res...; 关键词：Deposition rate Astrochronology Long-term cycles Earth’s rhythm Solar System periodicity

A novel algorithm to analyze the dynamics of digital chaotic maps in finite-precision domain: 《Chinese Physics B》2023年第1期207-216,共10页范春雷丁群; Project supported by the National Natural Science Foundation of China (Grant No.62101178);the Fundamental Research Funds for the Higher Institutions in Heilongjiang Province,China (Grant No.2020-KYYWF-1033)。; Chaotic maps are widely used to design pseudo-random sequence generators, chaotic ciphers, and secure communication systems. Nevertheless, the dynamic characteristics of digital chaos in finite-precision domain must b...; 关键词：digital chaos dynamic degradation state-mapping graph periodicity analysis

High-frequency climatic fluctuations over the past 30 ka in northwestern margin of the East Asian monsoon region, China: 《Journal of Arid Land》2022年第12期1331-1343,共13页WU Huining CUI Qiaoyu; funded by the National Natural Science Foundation of China(41662013,40025105,41972020).; Whether millennial-to centennial-scale climate variations throughout the Holocene convey universal climate change is still widely debated.In this study,we aimed to obtain a set of high-resolution multi-proxy data(1343...; 关键词：East Asian monsoon region total pollen concentrations climate periodicity millennial-centennial time scale Chinese Loess Plateau

Analysis of the flow pattern and periodicity of gas–liquid–liquid three-phase flow in a countercurrent mixer-settler: 《Chinese Journal of Chemical Engineering》2022年第11期135-145,共11页Minghang Zhang Wangfeng Cai Pei Zhu Le Xie Yan Wang; the National Natural Science Foundation of China(21978198)for financial support。; In contrast to the concurrent mixer-settler,the interaction between the mixing and settling chambers have to be taken into account in the simulation of the countercurrent mixer-settler,and no work has been reported fo...; 关键词：Countercurrent mixer-settler Three-phase flow Sliding mesh model(SMM) Fast Fourier transform(FFT)

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