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高速混合流场下星光偏折的观测实验 高速混合流场下星光偏折的观测实验
Q3 Engineering
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Pub Date : 2023-01-01 DOI: 10.3788/irla20220802
陈冰 Chen Bing, 陈少杰 Chen Shaojie, 陈虓 Chen Xiao, 李崇辉 Li Chonghui, 郑勇 Zheng Yong
天文导航是一种重要的飞行器自主导航手段。在高速飞行器上进行的观测，不可避免地会受到窗口外侧高速流场的扰动，使得星敏感器捕获的星点图像出现偏移、模糊等退化现象，影响天文定位定姿精度。对星图退化的计算和校正的研究多基于计算机仿真结果。文中建成了一座可在实验段中生成马赫2.5/3.5混合层结构的小型静风洞，以直径10 m的室内穹顶上的仿真星点为观测对象，透过实验段中不同位置的流场进行了星点观测和中心点解算，获得了星点图像受到流场扰动的数据，并将其与计算机仿真结果进行对比。结果表明：导航星光偏折量高于计算机仿真的估计值。在喷口近端，高速混合流场对星光偏折的扰动较大，垂直流场方向的偏折均值小于0.5″，沿流场方向偏离均值为3.85″，最大接近4.89″；在喷口远端，垂直方向星光偏折均值为−1.36″，沿流场方向偏折均值约−0.49″，最高达−2.69″。近端星光偏折变化幅度较小，稳定性较远端更强，有利于建模校正。该实验对校正仿真模型、优化高速流场下的天文定姿精度有着重要的意义。
天文导航是一种重要的飞行器自主导航手段。在高速飞行器上进行的观测，不可避免地会受到窗口外侧高速流场的扰动，使得星敏感器捕获的星点图像出现偏移、模糊等退化现象，影响天文定位定姿精度。对星图退化的计算和校正的研究多基于计算机仿真结果。文中建成了一座可在实验段中生成马赫2.5/3.5混合层结构的小型静风洞，以直径10 m的室内穹顶上的仿真星点为观测对象，透过实验段中不同位置的流场进行了星点观测和中心点解算，获得了星点图像受到流场扰动的数据，并将其与计算机仿真结果进行对比。结果表明：导航星光偏折量高于计算机仿真的估计值。在喷口近端，高速混合流场对星光偏折的扰动较大，垂直流场方向的偏折均值小于0.5″，沿流场方向偏离均值为3.85″，最大接近4.89″；在喷口远端，垂直方向星光偏折均值为−1.36″，沿流场方向偏折均值约−0.49″，最高达−2.69″。近端星光偏折变化幅度较小，稳定性较远端更强，有利于建模校正。该实验对校正仿真模型、优化高速流场下的天文定姿精度有着重要的意义。
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引用次数: 0
国外新型电驱动高能激光技术现状与发展趋势 国外新型电驱动高能激光技术现状与发展趋势
Q3 Engineering
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Pub Date : 2023-01-01 DOI: 10.3788/irla20220283
王辉华 Wang Huihua, 林龙信 Lin Longxin, 叶. Ye Xin, 吕晓英 Lv Xiaoying
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引用次数: 0
星载遥感短波红外高速高光谱成像仪坏像元识别 星载遥感短波红外高速高光谱成像仪坏像元识别
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Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Pub Date : 2023-01-01 DOI: 10.3788/irla20220308
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{"title":"星载遥感短波红外高速高光谱成像仪坏像元识别","authors":"刘永征 Liu Yongzheng, 杜渐 Du Jian, 安秦宇宁 An Qinyuning, 杨凡超 Yang Fanchao, 张. Zhang Xin, 李宏博 Li Hongbo","doi":"10.3788/irla20220308","DOIUrl":"https://doi.org/10.3788/irla20220308","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70215038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
大型离轴三反相机主镜组件结构设计与验证 大型离轴三反相机主镜组件结构设计与验证
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Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Pub Date : 2023-01-01 DOI: 10.3788/irla20220363
袁健 Yuan Jian, 张磊 Zhang Lei
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引用次数: 0
红外用制冷机高阶驱动下的优化驱动方法设计 红外用制冷机高阶驱动下的优化驱动方法设计
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Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Pub Date : 2023-01-01 DOI: 10.3788/irla20220369
诸经豪 Zhu Jinghao, 杨宝玉 Yang Baoyu, 张家昆 Zhang Jiakun, 吴亦农 Wu Yinong
{"title":"红外用制冷机高阶驱动下的优化驱动方法设计","authors":"诸经豪 Zhu Jinghao, 杨宝玉 Yang Baoyu, 张家昆 Zhang Jiakun, 吴亦农 Wu Yinong","doi":"10.3788/irla20220369","DOIUrl":"https://doi.org/10.3788/irla20220369","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70215909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
直接测风激光雷达频率跟踪技术及对流层平流层大气风场观测 直接测风激光雷达频率跟踪技术及对流层平流层大气风场观测
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Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
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{"title":"直接测风激光雷达频率跟踪技术及对流层平流层大气风场观测","authors":"方志远 Fang Zhiyuan, 赵. ZHAO Ming, 杨昊 Yang Hao, 邢昆明 Xing Kunming, 王邦新 Wang Bangxin, 陈剑锋 Chen Jianfeng, 邓旭 Deng Xu, 程亮亮 Cheng Liangliang, 谢晨波 Xie Chenbo","doi":"10.3788/irla20220412","DOIUrl":"https://doi.org/10.3788/irla20220412","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70216934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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{"title":"CCD损伤状态的“猫眼”回波信息评估方法","authors":"俞婷 Yu Ting, 牛春晖 Niu Chunhui, 吕. Lv Yong","doi":"10.3788/irla20220537","DOIUrl":"https://doi.org/10.3788/irla20220537","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70219067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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{"title":"脉冲激光多回波峰值检测电路设计","authors":"蒋衍 Jiang Yan, 朱精果 Zhu Jingguo, 刘汝卿 Liu Ruqing, 李枫 Li Feng, 姜成昊 Jiang Chenghao, 孟柘 Meng Zhe, 王瑜 Wang Yu","doi":"10.3788/irla20220625","DOIUrl":"https://doi.org/10.3788/irla20220625","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70219729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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{"title":"双模态信息融合的飞行目标位姿估计方法","authors":"李荣华 Li Ronghua, 王蒙 Wang Meng, 周伟 Zhou Wei, 付佳茹 Fu Jiaru","doi":"10.3788/irla20220618","DOIUrl":"https://doi.org/10.3788/irla20220618","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70220061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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{"title":"不同高度对0°~15°攻角气动光学成像偏移的影响","authors":"许亮 Xu Liang, 王鹿洋 Wang Luyang, 万自明 Wan Ziming, 赵世伟 Zhao Shiwei, 周立业 Zhou Liye, 王. Wang Tao","doi":"10.3788/irla20220671","DOIUrl":"https://doi.org/10.3788/irla20220671","url":null,"abstract":"","PeriodicalId":39785,"journal":{"name":"Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70220151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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