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Robust Self-Calibration of Subreflector Actuators Under Noise and Limited Workspace Conditions

Accurate kinematic calibration of subreflector actuators is essential for pointing precision of large radio telescopes, particularly at high frequencies. Conventional least-squares methods are vulnerable to noise and outliers, and their accuracy may degrade when limited pose diversity leads to poor...

Ausführliche Beschreibung

Gespeichert in:
Hauptverfasser: Guljaina Kazezkhan, Na Wang, Qian Xu, Shangmin Lin, Hui Wang, Fei Xue, Feilong He, Xiaoman Cao
Format: Artigo
Sprache:Inglês
Veröffentlicht: MDPI AG 2025-06-01
Schriftenreihe:Machines
Schlagworte:
radio telescope
subreflector actuator
kinematic calibration
Levenberg–Marquardt algorithm
Huber loss
<i>L</i><sub>2</sub> regularization
Online-Zugang:https://www.mdpi.com/2075-1702/13/6/484
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