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The Design of GECAM Scientific Ground Segment

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Research in Astronomy and Astrophysics 2024年第10期24卷 1-10页

作者： Shijie Zheng Liming Song Xiang Ma Ping Wang Rui Qiao Yue Huang Xiaoyun Zhao Hongmei Zhang Xiaobo Li Mingyu Ge Gang Chen Gongxing Sun Wenxi Peng Ce Cai Wei Chen Yanqi Du Dongya Guo Bing Li Chaoyang Li Jianhui Li Qingxin Li Jing Liang Jiacong Liu Ge Ou Dongli Shi Jingyan Shi Xinying Song Jin Wang Wenshuai Wang Hong Wu Shuo Xiao wangchen xue Min Yao Jianying Ye Kai Zhang Peng Zhang Xiaolu Zhang Yanqiu Zhang Guoying Zhao Shiyi Zhao Chao Zheng Shaolin Xiong Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030China Southwest Jiaotong University Chengdu 611756China Xiangtan University Changsha 411105China Qufu Normal University Qufu 273165China

The Gravitational wave burst high-energy Electromagnetic Counterpart All-sky Monitor(GECAM)is a dedicated mission for monitoring high-energy *** we report the design of the GECAM Scientific Ground Segment(GSGS)in terms of the scientific requirements,including the architecture,the external interfaces,the main function,and *** from the analysis and verification results during the commissioning phase,the GSGS functions well and is able to monitor the status of the payloads,adjust the parameters,develop the scientific observation plans,generate the scientific data products,analyze the data,***,the on-orbit operation and scientific researches of GECAM are guaranteed.

关键词： gravitational waves gamma-rays:general telescopes

A Localization Method of High Energy Transients for All-sky Gamma-ray Monitor

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Research in Astronomy and Astrophysics 2024年第10期24卷 25-35页

作者： Yi Zhao wangchen xue Shaolin Xiong Qi Luo Yuanhao Wang Jiacong Liu Heng Yu Xiaoyun Zhao Yue Huang Jinyuan Liao Jianchao Sun Xiaobo Li Qibin Yi Ce Cai Shuo Xiao Shenglun Xie Chao Zheng Yanqiu Zhang Chenwei Wang Wenjun Tan Zhiwei Guo Chaoyang Li Zhenghua An Gang Chen Yanqi Du Min Gao Ke Gong Dongya Guo Jiang He Jianjian He Bing Li Gang Li Xinqiao Li Jing Liang Xiaohua Liang Yaqing Liu Xiang Ma Rui Qiao Liming Song Xinying Song Xilei Sun Jin Wang Ping Wang Xiangyang Wen Hong Wu Yanbing Xu Sheng Yang Dali Zhang Fan Zhang Hongmei Zhang Peng Zhang Shu Zhang Zhen Zhang Shijie Zheng Keke Zhang Xingbo Han Haiyan Wu Hu Tai Hao Geng Gaopeng Lu Wei Xu Fanchao Lyu Hongbo Zhang Fangjun Lu Shuangnan Zhang Department of Astronomy Beijing Normal UniversityBeijing 100875China Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China School of Physics and Optoelectronics Xiangtan UniversityXiangtan 411105China College of Physics Hebei Normal UniversityShijiazhuang 050024China Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing Guizhou Normal UniversityGuiyang 550001China School of Physics and Electronic Science Guizhou Normal UniversityGuiyang 550001China Institute of Astrophysics Central China Normal UniversityWuhan 430079China College of physics Sciences Technology Hebei UniversityBaoding 071002China Physics and Space Science College China West Normal UniversityNanchong 637002China School of Computing and Artificial Intelligence Southwest Jiaotong UniversityChengdu 611756China College of Electronic and information Engineering Tongji UniversityShanghai 201804China Innovation Academy for Microsatellites of Chinese Academy of Sciences Shanghai 201304China National Space Science Center Chinese Academy of SciencesBeijing 100190China School of Earth and Space Sciences University of Science and Technology of ChinaHefei 230026China Electronic Information School Wuhan UniversityWuhan 430072China Key Laboratory of Transportation Meteorology of China Meteorological Administration Nanjing Joint Institute for Atmospheric SciencesNanjing 210000China Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China

Fast and reliable localization of high-energy transients is crucial for characterizing the burst properties and guiding the follow-up *** based on the relative counts of different detectors has been widely used for all-sky gamma-ray *** are two major methods for this count distribution localization:χ^(2)minimization method and the Bayesian *** we propose a modified Bayesian method that could take advantage of both the accuracy of the Bayesian method and the simplicity of the χ^(2)*** comprehensive simulations,we find that our Bayesian method with Poisson likelihood is generally more applicable for various bursts than the χ^(2)method,especially for weak *** further proposed a location-spectrum iteration approach based on the Bayesian inference,which could alleviate the problems caused by the spectral difference between the burst and location *** method is very suitable for scenarios with limited computation resources or timesensitive applications,such as in-flight localization software,and low-latency localization for rapidly follow-up observations.

关键词： methods:data analysis methods:analytical (stars:)gamma-ray burst:general

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全回转推进器润滑供油过程分析

船舶 2015年第4期26卷 84-90页

作者：汤新元王中学王晨龚建军中船重工702所东方长风公司无锡214082 中国船级社江苏分社南京210011

针对推进器润滑油循环特点,对齿轮箱油液位的变化进行计算和试验,结果显示了齿轮箱油液位变化过程,并通过搅油功率损失的计算揭示润滑油温度变化的规律,提出齿轮箱初始油液位的高度对润滑油温升的影响。

关键词：润滑油液位搅油损失油温

基于Android平台的输油管道信息管理系统设计与实现

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地理空间信息 2022年第10期20卷 120-123页

作者：肖雪汪建勇唐万成万海东中国石油天然气股份有限公司玉门油田分公司甘肃酒泉735019

针对传统输油管道巡检过程中由于环境条件等因素影响存在一定的主观性、缺乏科学性和客观性等问题,利用高分辨率遥感影像数据和输油管道、阀池等附属设备的平面坐标数据等自然资源大数据,依托Android平台集成环境下的HTML技术和***开发... 详细信息

针对传统输油管道巡检过程中由于环境条件等因素影响存在一定的主观性、缺乏科学性和客观性等问题,利用高分辨率遥感影像数据和输油管道、阀池等附属设备的平面坐标数据等自然资源大数据,依托Android平台集成环境下的HTML技术和***开发技术,通过ArcGIS API for JavaScript开发工具包设计开发一套输油管道信息管理系统。该系统实现了输油管线及其附属设备的属性信息编录和查询、动态更新维护,可以将二三维数据有效地集成,具备了良好的可视化界面,能够实现输油管道的数据信息化和动态综合管理。

关键词： Android 输油管道信息管理系统开发