BGO

作品数：118被引量：131H指数：6
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块稀疏信号重构的广义正交匹配追踪算法研究
《武汉大学学报(理学版)》2024年第6期680-686,共7页杨义芳 王金平 
国家自然科学基金(62071262)。
在压缩感知理论中,将信号进行分块能够有效减少数据的处理量,提高信号的重构速度,因此块稀疏信号的稳定重构得到广泛研究。在l_(∞)有界噪声环境下,研究得到了广义正交匹配追踪(Block generalized Orthogonal Matching Pursuit,BgOMP)...
关键词：块稀疏 块限制等距性 BgOMP算法 l_(∞)有界噪声 
The large-scale modular BGO detection array(LAMBDA)design and test被引量：1
《Nuclear Science and Techniques》2024年第11期228-236,共9页Yao-De Sheng Lu-Yang Song Jun Su Shi-Lun Jin Fei Lu Yang-Ping Shen Jun-Feng Chen Li-Yong Zhang Jian-Jun He Xin-Yue Li Hong-Na Liu Feng-Shou Zhang Meng-Lin Qiu Shen Lin Hao Zhang Luo-Huan Wang Zi-Ming Li Yin-Ji Chen Xin-Zhi Jiang Xin Chen Zhi-Lin Shen Feng-Cheng Liu Zhi-Wei Qin Lin Wang Yi-Tong Huang Xiang Li Si-Ze Chen You-Bao Wang Zhi-Hong Li Bing Guo Wei-Ping Liu 
supported by the National Key R&D Program of China (Nos. 2022YFA1603300, 2018YFA0404401, 2023YFA1606701, and 2022YFA1602301);National Natural Science Foundation of China (Nos. U1867211, 12275026, and 12222514);the CAS Light of West China Program (No. 2020-82)
Total absorption gamma-ray spectroscopy(TAGS)is a powerful tool for measuring complexγ transitions,which has been effectively applied to the study of reactor decay heat.This paper presents the design of a new TAGS de...
关键词：Total absorption gamma-ray spectroscopy Reactor decay heat BETA-DECAY BGO detector array LAMBDA 
高速无源燃料棒^(235)U富集度检测设备研制
《核电子学与探测技术》2023年第6期1113-1121,共9页王长虹 刘明 张雷 黄少川 马金波 汪陆 
中国核电工程有限公司自主科研项目ZZKY1701。
高速无源燃料棒235U富集度检测设备采用小型化模块化BGO+SiPM探测器串列及集成了放大、甄别、信号采集、网络传输、I/O功能的多通道核电子仪器组成检测体,设计恒温箱对检测体温度进行精准控制,通过燃料棒传输及上下料装置完成燃料棒235...
关键词：燃料棒 无源 ^(235)U富集度 检测设备 BGO SIPM 
The highest melting point material:Searched by Bayesian global optimization with deep potential molecular dynamics被引量：2
《Journal of Advanced Ceramics》2023年第4期803-814,共12页Yinan Wang Bo Wen Xingjian Jiao Ya Li Lei Chen Yujin Wang Fu-Zhi Dai 
supports by the National Natural Science Foundation of China(Nos.52032002,51972081,and U2130103);University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province(No.UNPYSCT-2020052);Heilongjiang Touyan Team Program;supported by Bohrium Cloud Platform of DP Technology.
The interest in refractory materials is increasing rapidly in recent decades due to the development of hypersonic vehicles.However,the substance that has the highest melting point(Tm)keeps a secret,since precise measu...
关键词：melting point(T_(m)) carbides CARBONITRIDES deep potential(DP) Bayesiannglobal optimization(BGO) 
再发新星 M31N 2022-09a发现记
《天文爱好者》2023年第2期72-77,共6页赵经远 
如今远程技术越来越完善,远程天文台也随之遍地开花,很多天文爱好者在家里就能进行天文观测与摄影,甚至可以参与巡天发现,如我国的星明公众远程天文台(XPRO)和星明天文台巡天项目(XOSS)。但现在这篇文章让我们把视线投向远在加拿大的伯...
关键词：远程技术 天文观测 拉尔夫 天文台 BGO 巡天 加拿大 
5~10MeV能区γ本底对锦屏深地核天体物理反应测量的影响探究
《北京师范大学学报（自然科学版）》2022年第5期727-732,共6页盛耀德 苏俊 何建军 张立勇 张昊 王泺欢 谌阳平 李志宏 郭冰 连刚 柳卫平 
国家自然科学基金资助项目(U1867211,11490563,11490560)。
天体物理感兴趣能区(伽莫夫窗口)的带电粒子核反应截面极小,在地面进行测量会受到宇宙射线诱发本底的严重干扰.进行地下实验室核反应测量成为解决这一问题的主要途径.锦屏深地核天体物理实验(JUNA)装置是我国首个地下核天体反应测量设施...
关键词：核天体反应直接测量 地下实验室 BGO探测阵列 LaBr3探测器 γ本底 
^(235)U enrichment detection system for nuclear fuel rod based on compact D–D neutron generator被引量：3
《Science China(Technological Sciences)》2021年第9期1940-1946,共7页WU Kang LIU XingYu YANG Xu LIU ChangQi HUO DongYing BAI XiaoHou HAN Chao JIANG QiaoYue ZHANG Hang PENG JinQiu ZHANG Yu WANG JunRun YAO ZeEn WEI Zheng 
This work was supported by the National Natural Science Foundation of China(NSFC)(Grant Nos.12075105,11705071 and 11875155);the Joint Fund of the National Natural Science Foundation of China and the China Academy of Engineering Physics(Grant No.U1830102);the NSFC-Nuclear Technology Innovation Joint Fund(Grant No.U1867213);the Fundamental Research Funds for the Central Universities(Grant No.lzujbky-2021-kb09)。
A reliable ^(235)U enrichment uniformity detection system based on a compact D–D neutron generator is developed to detect the ^(235)U enrichment uniformity of different fuel elements in the same nuclear fuel rod. The...
关键词：compact D–D neutron generator ^(235)U enrichment detection BGO crystal 
可控中子源中子-伽马测井仪中屏蔽结构的优化
《辐射防护》2020年第6期496-503,共8页宋磊 李福生 王盛 
本文设计了一种使用遗传算法调用蒙特卡罗计算软件MCNP的方案,用以优化设计中子-伽马测井仪中的屏蔽结构。以D-D聚变中子源和BGO探测器为研究对象,以最小化探测器内的辐照本底为优化目标,设计出了3种不同厚度的屏蔽结构。模拟结果表明,...
关键词：屏蔽结构 中子-伽马测井仪 BGO MCNP 
Comparison of Proton Shower Developments in the BGO Calorimeter of the Dark Matter Particle Explorer between GEANT4 and FLUKA Simulations被引量：1
《Chinese Physics Letters》2020年第11期114-120,共7页Wei Jiang Chuan Yue Ming-Yang Cui Xiang Li Qiang Yuan Francesca Alemanno Paolo Bernardini Giovanni Catanzani Zhan-Fang Chen Ivan De Mitri Tie-Kuang Dong Giacinto Donvito David Francois Droz Piergiorgio Fusco Fabio Gargano Dong-Ya Guo Dimitrios Kyratzis Shi-Jun Lei Yang Liu Francesco Loparco Peng-Xiong Ma Giovanni Marsella Mario Nicola Mazziotta Xu Pan Wen-Xi Peng Antonio Surdo Andrii Tykhonov Yi-Yeng Wei Yu-Hong Yu Jing-Jing Zang Ya-Peng Zhang Yong-Jie Zhang Yun-Long Zhang 
Supported by the National Key Research and Development Program of China(Grant No.2016YFA0400200);the National Natural Science Foundation of China(Grant Nos.11722328,11773085,U1738127,U1738138,U1738205,U1738207,and 11851305);the 100 Talents Program of Chinese Academy of Sciences;the Youth Innovation Promotion Association CAS;the Program for Innovative Talents and Entrepreneur in Jiangsu;supported by the Swiss National Science Foundation(SNSF),Switzerland;the National Institute for Nuclear Physics(INFN),Italy。
The DArk Matter Particle Explorer(DAMPE)is a satellite-borne detector for high-energy cosmic rays and y-rays.To fully understand the detector performance and obtain reliable physical results,extensive simulations of t...
关键词：material. GEANT4 CALORIMETER 
Energy correction based on fluorescence attenuation of DAMPE
《Research in Astronomy and Astrophysics》2020年第8期163-168,共6页Li-Bo Wu Yun-Long Zhang Zhi-Yong Zhang Yi-Feng Wei Si-Cheng Wen Hao-Ting Dai Cheng-Ming Liu Xiao-Lian Wang Zi-Zong Xu Guang-Shun Huang 
the project the Joint Funds of the National Natural Science Foundation of China(Nos.U1738135,U1738208 and U1738139);the National Natural Science Foundation of China(Nos.11673021 and 11705197);the National Key Research and Development Program of China(2016YFA0400200 and 2016YFA0400202)。
The major scientific goals of the DArk Matter Particle Explorer(DAMPE)are to study cosmicray electrons(including positrons)and gamma rays from 5 GeV to 10 TeV and nuclei from Z=1 to 26 up to 100 TeV.The deposited ener...
关键词：DAMPE BGO calorimeter fluorescence attenuation dark matter 
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