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甚长基线干涉测量（VLBI）系统具有超高空间分辨率和定位精度，其关键技术研发已成为各国重点关注方向。为满足当前科学研究对VLBI技术的高要求，本文研制了一套高精度的望远镜系统，可应用于甚长基线干涉测量全球观测站（VGOS）。研究重点分析了望远镜座架和反射体系统的稳定性，并对二者的精度进行了仿真分析。提出了在望远镜运行过程中使用激光跟踪仪测试座架参考点稳定性的方案，实现了对参考点位移的实时测量；利用数字摄影测量技术完成了反射体的精度测试。测试结果表明，系统各项指标均满足VGOS系统要求，该系统可应用于天文和大地测量。
Abstract：The Very Long Baseline Interferometry(VLBI)system is characterized by its ultra-high spatial resolution and positioning accuracy,making the development of its key technologies a global priority.To meet the demanding requirements of modern scientific research utilizing VLBI,a high-precision telescope system was developed in this study,which can be applied to the VLBI Global Observing System(VGOS).The stability of the telescope mount and reflector system was analyzed,and their accuracy was evaluated through simulation.A scheme was designed to test the stability of reference points using a laser tracker during the telescope operation,achieving real-time displacement measurement of reference points.Additionally,digital photogrammetry was employed to evaluate the accuracy of the reflector.The results demonstrated that all key performance indicators met the VGOS requirements,confirming the system′s applicability in astronomical and geodetic surveys.
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基本信息:
DOI：10.16191/j.cnki.hbkx.2025.05.007
中图分类号:P111.44
引用信息:
[1]张强,王大为.VGOS望远镜系统稳定性设计与分析[J].河北省科学院学报,2025,42(05):13-18.DOI:10.16191/j.cnki.hbkx.2025.05.007.
基金信息:
