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SCATTERING: 作品数：1305被引量：1474H指数：14; 导出分析报告; 相关领域：理学机械工程更多>>; 相关作者：李莹刘战合武哲谢小平肖伏良更多>>; 相关机构：北京航空航天大学中国科学院天津大学清华大学更多>>; 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国家教育部博士点基金中国博士后科学基金更多>>

Pulsar scintillation reveals the Gum Nebula as a scattering screen: 《Science China(Physics,Mechanics & Astronomy)》2025年第3期192-192,共1页Dan Stinebring; Since soon after the discovery of radio pulsars in 1968,their scintillation due to multi-path scattering in the interstellar medium(ISM)emerged as a useful tool in studying the ISM.For example,a recent study with the ...; 关键词：SCATTERING SUPERNOVA pulsar

Time-reversal invariance violation effect in dd scattering: 《Chinese Physics C》2025年第3期143-152,共10页M.N.Platonova Yu.N.Uzikov; the expense of the grant from the Russian Science Foundation(23-22-00123,https://rscf.ru/en/project/23-22-00123/)。; A formalism is developed for calculating the signal of the violation of time-reversal invariance,provided that space-reflection(parity)invariance is conserved during the scattering of tensor-polarized deuterons on vec...; 关键词：time-reversal invariance spin observables deuteron-deuteron scattering

Is the Gum Nebula an important interstellar scattering disk of background pulsars?: 《Science China(Physics,Mechanics & Astronomy)》2025年第3期175-186,共12页Rui Wang Zhen Yan Zhiqiang Shen Ke Jia Lee Yajun Wu Rongbing Zhao Zhipeng Huang Xiaowei Wang Jie Liu; supported by the National SKA Program of China(Grant No.2020SKA0120104);the National Key R&D Program of China(Grant No.2022YFA1603104);the National Natural Science Foundation of China(Grant Nos.U2031119,and 12041301);The image of the Gum Nebula comes from the Southern H-Alpha Sky Survey Atlas(SHASSA),which is supported by the National Science Foundation。; The Gum Nebula is a faint supernova remnant extending about 40°across the southern sky,potentially affecting tens of background pulsars.Though the view that the Gum Nebula acts as a potential scattering screen for ba...; 关键词：pulsar interstellar scintillation Gum Nebula

Heart sound classification technique for early CVD detection using improved wavelet time scattering and discriminant analysis classifiers: 《Informatics and Health》2025年第1期49-62,共14页Vishwanath Madhava Shervegar; Objective:PCG represents the acoustic replay of heart sounds from the cardiac structure.To detect and analyse the different conditions of the heart,heart sound signals are essential.CVD is detected by classifiers who ...; 关键词：PHONOCARDIOGRAM Wavelet time frequency scattering transform Discrete cosine transform Discriminant analysis Classification

Non-Invasive Self-Adaptive Information States'Acquisition inside Dynamic Scattering Spaces: 《Research》2025年第1期346-355,共10页Ruifeng Li Jinyan Ma Da Li Yunlong Wu Chao Qian Ling Zhang Hongsheng Chen Tsampikos Kottos Er-Ping Li; Zhejiang University was sponsored by the National Natural Science Foundation of China(NNSFC)under grant nos.62071424,62201499,and 62027805。; Pushing the information states'acquisition efficiency has been a long-held goal to reach the measurement precision limit inside scattering spaces.Recent studies have indicated that maximal information states can be at...; 关键词：engineered modeshoweverpartial Fisher information limit non invasive acquisition adversarial network dynamic scattering spaces information states

Optimization of transverse unidirectional scattering by morphology modification of irregular V-shaped silicon nanoantennas: 《Optoelectronics Letters》2025年第3期129-135,共7页ZENG Ming ZHAO Feng WANG Xianghui; supported by the National Natural Science Foundation of China(Nos.62475121 and 62335012)。; A scheme based on irregular V-shaped silicon nanoantennas is proposed to optimize transverse unidirectional scattering under plane wave irradiation.Traditional methods of designing regular shapes offer fewer parameter...; 关键词：irregular v shaped silicon nanoantennas plane wave irradiation design efficiency plane wave irradiationtraditional optimize transverse unidirectional scattering morphology modification transverse unidirectional scattering search efficiency

Laser image refractive index sensor based on the combination of a coreless optical fiber and a digital camera: 《Optoelectronics Letters》2025年第2期65-68,共4页GUO Jingzhong LAN Feng CHEN Xiang LIU Haifeng; As a laser passes through a scattering medium,the light interacts with the irregular reflections within the medium,resulting in light scattering and the formation of speckles.In this paper,an image sensor based on the...; 关键词：FIBER SCATTERING optical

Laser-induced thermo-compression bonding for Cu-Au heterogeneous nanojoining: 《International Journal of Extreme Manufacturing》2025年第1期409-418,共10页Hui Wan Yu Shu Shuo Chen Hao Cao Shengjun Zhou Sheng Liu Chengqun Gui; supported by the National Natural Science Foundation of China(Nos.52305612 and U20A6004);Open Fund of Hubei Key Laboratory of Electronic Manufacturing and Packaging Integration(Wuhan University)(NO.EMPI2023015).; Surface tension-induced shrinkage of heterogeneously bonded interfaces is a key factor in limiting the performance of nanostructures.Herein,we demonstrate a laser-induced thermo-compression bonding technology to suppr...; 关键词：thermo-compression bonding Cu-Au bonding contact interface laser scattering force

Characterization of ultraviolet communication in a mixed aerosol environment: 《Optoelectronics Letters》2025年第2期77-84,共8页ZHAO Taifei SUN Yuxin WANG Wuxin ZHANG Haijun PAN Feixiang WU Hao; supported by the National Natural Science Foundation of China (No.61971345);the Shaanxi Province Key R&D Program General Project (No.2021GY044);the Open Fund for Artificial Intelligence Key Laboratory of Sichuan Province (No.2022RYY01)。; Wireless ultraviolet (UV) has strong scattering characteristics and can communicate through non-direct vision.When UV signals are transmitted in the atmosphere,they are affected by the absorption and scattering effect...; 关键词：COMMUNICATION SCATTERING ULTRAVIOLET

Statistical analysis on the validity of the cold plasma approximation for chorus waves based on Van Allen Probe observations and their effects on radiation belt electrons: 《Earth and Planetary Physics》2025年第1期159-170,共12页AoJun Ren Jiang Yu Jing Wang ZuZheng Chen XiaoMan Liu; supported by the National Natural Science Foundation of China (NSFC) through Grant Number 42074193; Theoretical analysis has demonstrated that the dispersion relation of chorus waves plays an essential role in the resonant interaction and energy transformation between the waves and magnetospheric electrons.Previous ...; 关键词：chorus waves cold plasma approximation dispersion relations scattering rates

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