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Entwurf und Analyse des Mikro-Laserwinkel-Reflektorarrays der Chang'e-6-Mission

  • role： First author第一作者
  • Affiliation：

    School of Instrument Science and Opto-Electronic Engineering, Beijing Information Science and Technology University, Beijing 100192, China

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

  • Email：2023020253@bistu.edu.cn
  • Introduction：周天豪，研究方向为激光角反射器设计与分析。E-mail：2023020253@bistu.edu.cn
Zhou Tianhao12,  
  • role： Corresponding author通信作者
  • Affiliation：

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

  • Email：wangyx@aircas.ac.cn
  • Introduction：王晔昕，研究方向为激光角反射器设计与分析，行星遥感图像分析与模式识别理论与方法。E-mail：wangyx@aircas.ac.cn
Wang Yexin2*,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Dell'Agnello Simone3,  
  • Affiliation：

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

Di Kaichang2,  
  • Affiliation：

    School of Instrument Science and Opto-Electronic Engineering, Beijing Information Science and Technology University, Beijing 100192, China

Chen Shaohua1,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Salvatori Lorenzo3,  
  • Affiliation：

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

Guo Guangyan2,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Tibuzzi Mattia3,  
  • Affiliation：

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

Chen Qianglong2,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Rodriquez Raffaele3,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Campagnola Roberto3,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Lauretani Rudi3,  
  • Affiliation：

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

Zhou Yasong2,  
  • Affiliation：

    National Institute for Nuclear Physics—National Laboratory of Frascati (INFN-LNF), Frascati (Rome) 00044, Italy

Villalba Blanca3,  
  • Affiliation：

    School of Instrument Science and Opto-Electronic Engineering, Beijing Information Science and Technology University, Beijing 100192, China

    Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China

Chen Tianhao12

Resümee

Das Mikro-Laserwinkel-Reflektorarray INRRI (INstrument for landing-Roving laser Retroreflector Investigations) ist eine der internationalen Nutzlasten an Bord der Chang'e-6-Mission. Durch den Empfang des von der Laserausrüstung an Bord des Mondorbiters ausgesandten Lasers nutzt es die Eigenschaft der parallelen Reflexion des Laserstrahls auf der reflektierenden Oberfläche zur hochpräzisen Abstandsmessung. Nach wiederholten Beobachtungen und Berechnungen wurde es zum ersten absoluten Kontrollpunkt auf der Rückseite des Mondes und bildet die Grundlage für lunare Geodäsie, Fernerkundungskartierung und Positionsbestimmung sowie für hochpräzises Orbittracking und Navigation des Mondorbiters. Dieser Artikel betrachtet INRRI als Forschungsobjekt, stellt seine mechanische Struktur und optisches Design vor und analysiert dessen Schlüsselleistungen. Auf der Designebene wurde ein kugelförmiges Kuppeldesign sowie Beschichtungstechnologien verwendet, um eine effektive Aufnahme des Orbitier-Lasers in einem größeren Sichtfeld zu ermöglichen. Auf der Leistungsebene wurde ein Modell der effektiven reflektierenden Fläche erstellt, die Echo-Signalstärke bei verschiedenen Einfallswinkeln analysiert und unter Berücksichtigung des Dopplereffekts sowie der Fernfeldbeugungstheorie die Detektierbarkeit von INRRI für das Lasergerät des Mondorbiters umfassend bewertet. Die Testergebnisse zeigen, dass INRRI gut beobachtbar ist, was seine ausgezeichnete Leistung bei mehrfachen erfolgreichen Beobachtungen des Laserhöhenmessers LOLA an Bord des LRO-Orbiters bestätigt. Dies liefert eine Grundlage für Design und Optimierung mikro-laserwinkel-reflektierender Geräte in zukünftigen Tiefraum-Missionen.

Schlüsselwort

Laserwinkelreflektor; Laserentfernungsmessung; effektive reflektierende Fläche; Dopplereffekt; Fernfeldbeugung

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