Article(id=1322941564208686058, tenantId=1146029695717560320, journalId=1322258626896822465, issueId=1322941226537857309, articleNumber=null, orderNo=null, doi=10.13700/j.bh.1001-5965.2025.0491, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1752681600000, receivedDateStr=2025-07-17, revisedDate=null, revisedDateStr=null, acceptedDate=1757260800000, acceptedDateStr=2025-09-08, onlineDate=1793343447972, onlineDateStr=2026-10-30, pubDate=1793376000000, pubDateStr=2026-10-31, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343447972, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343447972, creator=13701087609, updateTime=1793343447972, updator=13701087609, issue=Issue{id=1322941226537857309, tenantId=1146029695717560320, journalId=1322258626896822465, year='2026', volume='52', issue='10', pageStart='3237', pageEnd='3676', issueExtLink='null', onlineDate='null', pubDate='1793376000000', pubDateStr='2026-10-31', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793343367466, creator='13701087609', updateTime=1793344760378, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322947068926505286, tenantId=1146029695717560320, journalId=1322258626896822465, issueId=1322941226537857309, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322947068926505287, tenantId=1146029695717560320, journalId=1322258626896822465, issueId=1322941226537857309, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3627, endPage=3634, ext={EN=ArticleExt(id=1322941565768967147, articleId=1322941564208686058, tenantId=1146029695717560320, journalId=1322258626896822465, language=EN, title=A high-precision starlight refraction celestial navigation observation method, columnId=null, journalTitle=Journal of Beijing University of Aeronautics and Astronautics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The traditional fixed optical axis observation approach reduces positioning accuracy and reliability in the starlight refraction indirect horizon-sensing positioning method by producing a small number of refracted stars with an uneven distribution. Therefore, a high-precision starlight refraction celestial navigation observation method is proposed. Based on the geometric relationship between the stratospheric refraction band and the star sensor’s field of view (FOV), a relation model is established between the FOV coverage area of the refraction band and the star sensor’s elevation angle. By maximizing the FOV coverage area and combining the flight parameters, the optimal elevation angle is determined to increase the observable refracted stars. Additionally, a quantitative relationship model is developed between positioning precision and the spatial arrangement of refracted stars. Based on the minimum position dilution of precision (PDOP) criterion, the optimal spatial geometric configuration of refracted stars is derived, thereby obtaining the optimal azimuth angle of the optical axis. This enables continuous and uniform observation for refracted starlight, so as to improve the positioning accuracy of celestial navigation. Simulation results demonstrate that compared with the conventional method, the proposed method achieves 75.7% and 66.7% improvements in position and velocity estimation accuracy, respectively.
, authors=Xianjun ZHAN1
, 2, Xinlong WANG1
, 2
, *, authorsList=Xianjun ZHAN, Xinlong WANG, authorCompany=null, correspAuthors=Xinlong WANG, authorNote=null, correspAuthorsNote=
, copyrightStatement=Copyright © 2026 Journal of Beijing University of Aeronautics and Astronautics. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322941568340074501, articleId=1322941564208686058, tenantId=1146029695717560320, journalId=1322258626896822465, language=CN, title=一种高精度的星光折射天文导航观星方法, columnId=null, journalTitle=北京航空航天大学学报, columnName=, runingTitle=null, highlight=null, articleAbstract=
在星光折射间接敏感地平定位方法中,传统固定视轴观星方案导致折射星数量少,且分布不均匀,进而影响星光折射定位的精度和可靠性。为此,提出了一种高精度的星光折射天文导航观星方案。根据平流层大气所形成的折射环带与星敏感器视场(FOV)之间的几何关系,建立了星敏感器视场对折射环带的覆盖面积与视轴高度角之间的关系模型,通过折射环带的覆盖面积最大化,结合飞行器的飞行参数,确定星敏感器视轴的最佳高度角,以提高可观测折射星数量;通过推导构建折射星空间构型与定位精度之间的定量关系模型,基于最小定位精度因子(PDOP)准则,确定折射星最佳空间几何构型,进而得到星敏感器视轴的最佳方位角,从而借助星光折射间接敏感地平定位方法实现对折射星连续、均匀的观测,以提高天文导航的定位精度。仿真验证结果表明,与传统观测方案相比,所提观测方案的位置与速度估计误差分别提升了75.7%和66.7%。
, authors=詹先军1
, 2, 王新龙1
, 2
, *, authorsList=詹先军, 王新龙, authorCompany=null, correspAuthors=王新龙, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有 © 2026 北京航空航天大学学报(自然科学版)编辑部, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=QDNFS7bGT42ZmHAtPnsMAQ==, magXml=crU8+LVgkMELwa7hb9XdAg==, pdfUrl=null, pdf=VVwmjoQzwNf1i+rY6pIN6w==, pdfFileSize=3434643, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=IPewounWYc7MNkHf2Rg1Zw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=GnkmXuz9sFakA1I8cWN0pg==, mapNumber=null, fund=null)}, authors=[Author(id=1322941570307203085, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322941570403672080, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, authorId=1322941570307203085, language=EN, stringName=Xianjun ZHAN, firstName=Xianjun, middleName=null, lastName=ZHAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1
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1北京航空航天大学 宇航学院,北京 100191
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Aerospace Science and Technology, 2016, 54: 49-58., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1322941568587538438, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, xref=1, ext=[AuthorCompanyExt(id=1322941568591732743, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, companyId=1322941568587538438, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1北京航空航天大学 宇航学院,北京 100191)]), AuthorCompany(id=1322941570185568265, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, xref=2, ext=[AuthorCompanyExt(id=1322941570198151178, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, companyId=1322941570185568265, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Principle of starlight refraction indirect horizon-sensing positioning, figureFileSmall=h0QMqFEiQVvPQa+maCKDwg==, figureFileBig=IPewounWYc7MNkHf2Rg1Zw==, tableContent=null), ArticleFig(id=1322941571796181027, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图1, caption=
星光折射间接敏感地平定位原理, figureFileSmall=h0QMqFEiQVvPQa+maCKDwg==, figureFileBig=IPewounWYc7MNkHf2Rg1Zw==, tableContent=null), ArticleFig(id=1322941572039450660, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 2, caption=
Refracted starlight with apparent height of 20-50 km, figureFileSmall=Yqfd/jgslyFSCtsMQMmc6Q==, figureFileBig=fryv/OIsWDqwnnQ6bWxQwQ==, tableContent=null), ArticleFig(id=1322941572123336741, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图2, caption=
视高度为20~50 km的折射星光, figureFileSmall=Yqfd/jgslyFSCtsMQMmc6Q==, figureFileBig=fryv/OIsWDqwnnQ6bWxQwQ==, tableContent=null), ArticleFig(id=1322941572274331686, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 3, caption=
Schematic diagram showing the line of sight of a star sensor in celestial coordinate system, figureFileSmall=Y43mrHKN3kb5SwdoY5Vvkg==, figureFileBig=z6pxIQ2F+cf3bryu2d81TQ==, tableContent=null), ArticleFig(id=1322941572358217767, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图3, caption=
天球坐标系下星敏感器视轴指向示意图, figureFileSmall=Y43mrHKN3kb5SwdoY5Vvkg==, figureFileBig=z6pxIQ2F+cf3bryu2d81TQ==, tableContent=null), ArticleFig(id=1322941572467269672, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 4, caption=
Distribution of refracted star geocentric normal vector between the star and the Earth, figureFileSmall=WvmR77oWIndphUjyISwsrA==, figureFileBig=rJK2cK942yMJ71nBtsBiXg==, tableContent=null), ArticleFig(id=1322941572563738665, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图4, caption=
折射星地心法向矢量的几何分布示意图, figureFileSmall=WvmR77oWIndphUjyISwsrA==, figureFileBig=rJK2cK942yMJ71nBtsBiXg==, tableContent=null), ArticleFig(id=1322941572643430442, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 5, caption=
Optimal geometry of refracted stars, figureFileSmall=RsBsPGgRKPwWkgnxM+9byA==, figureFileBig=wMo8nKcBQIsg/mT5eeXR4w==, tableContent=null), ArticleFig(id=1322941572710539307, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图5, caption=
折射星的最优几何构型, figureFileSmall=RsBsPGgRKPwWkgnxM+9byA==, figureFileBig=wMo8nKcBQIsg/mT5eeXR4w==, tableContent=null), ArticleFig(id=1322941572786036780, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 6, caption=
Flowchart of the refracted starlight observation plan, figureFileSmall=S2vHbc3l7/N9icSd/M5jJw==, figureFileBig=kTlwm0a1MuUcZAHK5IrgaQ==, tableContent=null), ArticleFig(id=1322941572853145645, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图6, caption=
折射星光观测方案实施流程, figureFileSmall=S2vHbc3l7/N9icSd/M5jJw==, figureFileBig=kTlwm0a1MuUcZAHK5IrgaQ==, tableContent=null), ArticleFig(id=1322941572916060206, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 7, caption=
Observation of refracted starlight by star sensor, figureFileSmall=TB/Z1fITNN+2cbdlxKC3yw==, figureFileBig=rjR3H0tEDWUTs6jV371WlA==, tableContent=null), ArticleFig(id=1322941572995751983, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图7, caption=
星敏感器折射星光观测示意图, figureFileSmall=TB/Z1fITNN+2cbdlxKC3yw==, figureFileBig=rjR3H0tEDWUTs6jV371WlA==, tableContent=null), ArticleFig(id=1322941574669279280, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 8, caption=
Position errors of different refracted star observation schemes, figureFileSmall=2IxXB8JsxqCcvs5SK/82Tg==, figureFileBig=wmch5wfA+4ohf4UeAqmC+w==, tableContent=null), ArticleFig(id=1322941574753165361, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图8, caption=
不同折射星观测方案的位置估计误差, figureFileSmall=2IxXB8JsxqCcvs5SK/82Tg==, figureFileBig=wmch5wfA+4ohf4UeAqmC+w==, tableContent=null), ArticleFig(id=1322941574899966002, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 9, caption=
Velocity errors of different refracted star observation schemes, figureFileSmall=4OYx9O3ZtzrxwCU3xvd3rA==, figureFileBig=NJ6bv0OXDzIG7B88Osxm/w==, tableContent=null), ArticleFig(id=1322941574979657779, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图9, caption=
不同折射星观测方案的速度估计误差, figureFileSmall=4OYx9O3ZtzrxwCU3xvd3rA==, figureFileBig=NJ6bv0OXDzIG7B88Osxm/w==, tableContent=null), ArticleFig(id=1322941575059349557, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 10, caption=
Position errors under different observation azimuths, figureFileSmall=4a3Nrzsb27WafNYxeYVj/w==, figureFileBig=Y7gVV190XLxnxcPsEz7/Eg==, tableContent=null), ArticleFig(id=1322941575189372982, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图10, caption=
不同观测方位角下的位置估计误差, figureFileSmall=4a3Nrzsb27WafNYxeYVj/w==, figureFileBig=Y7gVV190XLxnxcPsEz7/Eg==, tableContent=null), ArticleFig(id=1322941575302619191, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 11, caption=
Velocity errors under different observation azimuths, figureFileSmall=J4yz2HnIOY7VQWGvCfnmTQ==, figureFileBig=AHk/8YuHFu7YNdVhQ1dbIA==, tableContent=null), ArticleFig(id=1322941575428448312, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图11, caption=
不同观测方位角下的速度估计误差, figureFileSmall=J4yz2HnIOY7VQWGvCfnmTQ==, figureFileBig=AHk/8YuHFu7YNdVhQ1dbIA==, tableContent=null), ArticleFig(id=1322941575512334393, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 12, caption=
Position errors at different flight heights, figureFileSmall=mRXmXZd+jc49E2rnVnbuDA==, figureFileBig=WxI512y9/5h/imNfM4avcw==, tableContent=null), ArticleFig(id=1322941575600414778, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图12, caption=
不同飞行高度下的位置估计误差, figureFileSmall=mRXmXZd+jc49E2rnVnbuDA==, figureFileBig=WxI512y9/5h/imNfM4avcw==, tableContent=null), ArticleFig(id=1322941575680106555, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Fig. 13, caption=
Velocity errors at different flight heights, figureFileSmall=cZ1eHyz67qnZo6BWLUeREg==, figureFileBig=hMe5cGJiQksgCFGZHlsAtQ==, tableContent=null), ArticleFig(id=1322941575776575548, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=图13, caption=
不同飞行高度下的速度估计误差, figureFileSmall=cZ1eHyz67qnZo6BWLUeREg==, figureFileBig=hMe5cGJiQksgCFGZHlsAtQ==, tableContent=null), ArticleFig(id=1322941575856267325, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Table 1, caption=
Comparison of navigation accuracy by different refracted star observation schemes, figureFileSmall=null, figureFileBig=null, tableContent=
折射星光 观测方案 | 位置估计误差/m | | 速度估计误差/(m·s−1) |
| 均值 | 均方差 | | 均值 | 均方差 |
| 传统方案 | 100.28 | 143.85 | | 0.34 | 0.51 |
| 本文观测方案 | 45.48 | 34.95 | | 0.06 | 0.17 |
), ArticleFig(id=1322941575961124926, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=表1, caption=
不同折射星观测方案的导航精度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
折射星光 观测方案 | 位置估计误差/m | | 速度估计误差/(m·s−1) |
| 均值 | 均方差 | | 均值 | 均方差 |
| 传统方案 | 100.28 | 143.85 | | 0.34 | 0.51 |
| 本文观测方案 | 45.48 | 34.95 | | 0.06 | 0.17 |
), ArticleFig(id=1322941576032428095, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Table 2, caption=
Comparison of navigation accuracy of different observation azimuths, figureFileSmall=null, figureFileBig=null, tableContent=
观测方位角 之差/(°) | 位置估计误差/m | | 速度估计误差/(m·s−1) |
| 均值 | 均方差 | | 均值 | 均方差 |
| 30 | 186.22 | 349.77 | | 0.81 | 0.86 |
| 60 | 103.72 | 125.74 | | 0.24 | 0.59 |
| 120 | 45.48 | 34.95 | | 0.06 | 0.17 |
), ArticleFig(id=1322941576116314176, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=表2, caption=
不同观测方位角的导航精度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
观测方位角 之差/(°) | 位置估计误差/m | | 速度估计误差/(m·s−1) |
| 均值 | 均方差 | | 均值 | 均方差 |
| 30 | 186.22 | 349.77 | | 0.81 | 0.86 |
| 60 | 103.72 | 125.74 | | 0.24 | 0.59 |
| 120 | 45.48 | 34.95 | | 0.06 | 0.17 |
), ArticleFig(id=1322941576187617345, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=EN, label=Table 3, caption=
Comparison of navigation accuracy at different flight heights, figureFileSmall=null, figureFileBig=null, tableContent=
| 飞行高度/km | 位置估计误差/m | | 速度估计误差/(m·s−1) |
| 均值 | 均方差 | | 均值 | 均方差 |
| 500 | 45.48 | 34.95 | | 0.06 | 0.17 |
| 1000 | 86.97 | 75.74 | | 0.33 | 0.28 |
| 2000 | 163.76 | 112.40 | | 0.56 | 0.53 |
), ArticleFig(id=1322941576271503426, tenantId=1146029695717560320, journalId=1322258626896822465, articleId=1322941564208686058, language=CN, label=表3, caption=
不同飞行高度的导航精度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 飞行高度/km | 位置估计误差/m | | 速度估计误差/(m·s−1) |
| 均值 | 均方差 | | 均值 | 均方差 |
| 500 | 45.48 | 34.95 | | 0.06 | 0.17 |
| 1000 | 86.97 | 75.74 | | 0.33 | 0.28 |
| 2000 | 163.76 | 112.40 | | 0.56 | 0.53 |
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