CHAOS

作品数：1130被引量：1537H指数：14
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相关领域：理学更多>>
相关作者：刘文波于盛林李继彬胡海岩郑德志更多>>
相关机构：南京航空航天大学深圳大学东南大学天津大学更多>>
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相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划国家教育部博士点基金更多>>
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Why Do I Procrastinate? Identifying the unmet needs behind procrastination
《空中英语教室(高级版.彭蒙惠英语)》2025年第4期28-29,47,共3页Stephanie Vozza 
Even the most dedicated,organized person will procrastinate sometimes.While an occasional delay in action won't always lead to chaos,procrastination can be an"evil beast"if allowed to call the shots,says Jo Anne Prest...
关键词：allowed CHAOS DELAY 
Controllable chaos in the coupled waveguide-optomechanical system with phase shifter
《Science China(Physics,Mechanics & Astronomy)》2025年第4期26-34,共9页Deng-Wei Zhang Pei-Qi Qin Li-Li Zheng Zhi-Ming Zhan Xin-You Lü 
supported by the National Science Fund for Distinguished Young Scholars of China(Grant No.12425502);the National Natural Science Foundation of China(Grant Nos.12304395,and 12004202);the National Key Research and Development Program of China(Grant No.2021YFA1400700);the Fundamental Research Funds for the Central Universities(Grant No.2024BRA001);the Jianghan University Natural Science General Project(Grant No.2021yb028);the Luoyang Institute of Science and Technology Natural Science General Project(Grant No.21010777);the Chunhui Project Foundation of the Education Department of China(Grant No.HZKY20220337);the Natural Science Foundation of Hubei Province(Grant No.2023AFB891)。
We theoretically investigate chaotic dynamics in an optomechanical system composed of a whispering-gallery-mode(WGM)microresonator and a sensor.We find that tuning the optical phase using a phase shifter and modifying...
关键词：cavity optomechanics CHAOS exceptional point 
Impact of the chaotic semiconductor laser output power on time-delay-signature of chaos and random bit generation
《Chinese Physics B》2025年第3期325-330,共6页Chenpeng Xue Xu Wang Likai Zheng Haoyu Zhang Yanhua Hong Zuxing Zhang 
Project supported in part by the National Natural Science Foundation of China(Grant Nos.62005129 and 62175116)。
We experimentally analyze the effect of the optical power on the time delay signature identification and the random bit generation in chaotic semiconductor laser with optical feedback.Due to the inevitable noise durin...
关键词：CHAOS time delay signature entropy estimation random bit generation 
Quantifying the memory and dynamical stability of magnetar bursts
《Chinese Physics C》2025年第3期189-196,共8页Yu Sang Hai-Nan Lin 
Supported by the National Natural Science Fund of China(12005184,12175192,12275034,12347101);the Fundamental Research Funds for the Central Universities of China(2024CDJXY-022)。
The time series of energy and waiting time in magnetar bursts carry important information about the source activity.In this study,we investigate the memory and dynamical stability of magnetar bursts from four soft gam...
关键词：soft gamma repeaters fast radio bursts RANDOMNESS CHAOS 
Research on adaptive coati optimization algorithm based on chaos and perturbation strategies
《The Journal of China Universities of Posts and Telecommunications》2024年第6期44-56,共13页Wu Jin Gao Yaqiong Su Zhengdong Xiong Hao 
supported by the National Key Research and Development (R&D) Program of China:Science and Technology Innovation 2030 (2022ZD0119000)。
The coati optimization algorithm(COA) is a bionic optimization algorithm that imitates natural phenomena and has good performance, but it suffers from the limitations of slow convergence and low accuracy of the optima...
关键词：chaotic maps Levy flight Cauchy perturbation adaptive strategy 
Private communication with photonic terahertz chaos
《Advanced Photonics》2024年第6期80-89,共10页Qiuzhuo Deng Lu Zhang Zhidong Lyu Xiaodan Pang Oskars Ozolins Xianbin Yu 
supported by the National Key R&D Program of China(Grant No.2020YFB1805700);the National Natural Science Foundation of China(Grant No.62471433);the LZP FLPP project‘MIR FAST’lzp-2023-1-0503;the Swedish Research Council(VR)projects 2019-05197 and 2022-04798;the strategic innovation program Smarter Electronic Systems-a joint venture by Vinnova,Formas and the Swedish Energy Agency A-FRONTAHUL project(2023-00659).
Terahertz(THz)communications are vulnerable to eavesdropping due to their scattering and diffraction properties,which limits their practical deployment.We propose a photonic THz chaos encryption and synchronization sc...
关键词：physical layer security private communication THz photonics THz chaos encryption THz chaos synchronization 
Chaotic Motions of the van der Pol-Duffing Oscillator Subjected to Periodic External and Parametric Excitations with Delayed Feedbacks
《Acta Mathematicae Applicatae Sinica》2024年第4期1111-1126,共16页Liang-qiang ZHOU Fang-qi CHEN 
supported by the National Natural Science Foundation of China(No.11772148,12172166 and 11872201);China Postdoctoral Science Foundation(No.2013T60531)。
Chaotic dynamics of the van der Pol-Duffing oscillator subjected to periodic external and parametric excitations with delayed feedbacks are investigated both analytically and numerically in this manuscript.With the Me...
关键词：Van der Pol-Duffing oscillator time delay CHAOS parametric excitation Melnikov method 
AI-Powered Image Security:Utilizing Autoencoders for Advanced Medical Image Encryption
《Computer Modeling in Engineering & Sciences》2024年第11期1709-1724,共16页Fehaid Alqahtani 
With the rapid advancement in artificial intelligence(AI)and its application in the Internet of Things(IoT),intelligent technologies are being introduced in the medical field,giving rise to smart healthcare systems.Th...
关键词：Artificial Intelligence image encryption CHAOS medical image encryption 
The Chaos Sparrow Search Algorithm:Multi-layer and Multi-pass Welding Robot Trajectory Optimization for Medium and Thick Plates
《Journal of Bionic Engineering》2024年第5期2602-2618,共17页Song Mu Jianyong Wang Chunyang Mu 
support by Ningxia Key R&D projects“Integration and demonstration application of intelligent finishing system for large casting riser robot”(No.2021BEE03002);Ningxia Natural Science Foundation Project“Research on detection and location of large casting welding seam based on depth learning”(No.2020AAC03201).
The welding of medium and thick plates has a wide range of applications in the engineering field.Industrial welding robots are gradually replacing traditional welding operations due to their significant advantages,suc...
关键词：Medium and thick plates The Chaos Sparrow Search Algorithm Welding robot Tent chaotic mapping Denavit-Hartenberg Trajectory optimization 
On fractional discrete financial system:Bifurcation,chaos,and control
《Chinese Physics B》2024年第10期129-140,共12页Louiza Diabi Adel Ouannas Amel Hioual Shaher Momani Abderrahmane Abbes 
The dynamic analysis of financial systems is a developing field that combines mathematics and economics to understand and explain fluctuations in financial markets.This paper introduces a new three-dimensional(3D)frac...
关键词：financial model stability CHAOS commensurate and incommensurate orders COMPLEXITY 
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