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1Space advanced technology demonstration satellite显示文摘The Space Advanced Technology demonstration satellite(SATech-01),a mission for low-cost space science and new technology experiments,organized by Chinese Academy of Sciences(CAS),was successfully launched into a Sun-synchronous orbit at an altitude of~500 km on July 27,2022,from the Jiuquan Satellite Launch Centre.Serving as an experimental platform for space science exploration and the demonstration of advanced common technologies in orbit,SATech-01 is equipped with 16 experimental payloads,including the solar upper transition region imager(SUTRI),the lobster eye imager for astronomy(LEIA),the high energy burst searcher(HEBS),and a High Precision Magnetic Field Measurement System based on a CPT Magnetometer(CPT).It also incorporates an imager with freeform optics,an integrated thermal imaging sensor,and a multi-functional integrated imager,etc.This paper provides an overview of SATech-01,including a technical description of the satellite and its scientific payloads,along with their on-orbit performance.ZHANG XiaoFeng CHEN Wen ZHU XiaoCheng MENG Na HE JunWang BI XingZi ZHANG YongHe SHI Qi LI Fei LIU Rui FENG ZhengGong LIU Liu LI JinSong WU HaiChen XU DongXiao LI TaiJie HUANG JiangJiang LIU Shuo LI TianTong YU XianSheng GAO Yang ZHOU Heng BAN HanYu ZHANG YanLi ZHANG YueTing YANG YingQuan HE Tao DUAN XuLiang CHEN Xin WANG YaMin SUN AnTai ZHANG KuoXiang SUN Ying WANG YaoBin FAN ChengCheng XIONG ShaoLin LI XinQiao WEN XiangYang LING ZhiXing SUN XiaoJin ZHANG Chen BAI XianYong WANG ZhanShan DENG YuanYong TIAN Hui YANG JianFeng XUE HongBo SANG Peng LIU JinGuo ZHENG HuiLong ZHU Xiang HE JianWu LI Hui XU LuXiang XU ShuYan CHEN WenWu LIU ZhenDong WANG ZhaoLi MAO XiangLong GAO Rong LI ZongXuan DING GuoPeng WANG XinYu DOU RunJiang WENG LuBin LUO Hao WANG YaPing LIANG XianFeng FANG ZiRuo 2024Science China(Technological Sciences)2024,67,1:0
2光子TOA与自转频率误差对Crab脉冲星脉冲TOA估计的影响显示文摘为量化分析Crab脉冲星X射线波段光子到达时间(TOA)测量误差和自转频率误差对脉冲TOA估计的影响,仿真生成了13 200组带有不同光子TOA测量误差的光子TOA数据。采用含有不同大小自转频率误差的Crab脉冲星星历,通过历元折叠建立积分脉冲轮廓,与标准脉冲轮廓作互相关运算获得各组仿真观测的脉冲TOA测量误差,进一步计算出各误差参数组的仿真观测脉冲TOA测量误差均方根(RMS)。仿真结果表明,为使Crab脉冲星脉冲TOA短期测量精度达到30~300μs量级的要求,有效面积为6 000 cm^(2)和30 cm^(2)的探测器脉冲星自转频率误差均应小于3×10^(-6) Hz, 30 cm^(2)的探测器光子TOA的偶然误差同时应控制在500μs以内。朱鸿旭 2023导航定位与授时2023,10,6:0
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