Research on the Flat Field Measurement Method of Coronagraph

arXiv:2606.14569 · astro-ph.SR · Submitted 2026-06-12 · Read on arXiv

Yulong Feng, Xuefei Zhang, Hongfei Liang, Yu Liu, Mingzhe Sun, Tengfei Song, Mingyu Zhao

astro-ph.SR

Submitted: 2026-06-12

Comments: 28 pages, 12 figures, 1 table, Published in universe 12, 165 (2026)

Journal ref: universe,12,165(2026)

DOI: 10.3390/universe12060165

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 128× in this paper · explained in 7 episodes
• Accuracy — 23× in this paper · explained in 1 episode
• Consistency — 14× in this paper · explained in 3 episodes
• Self-consistency — 11× in this paper · explained in 2 episodes
• Point Spread Function — 9× in this paper
• Aperture — 6× in this paper · explained in 1 episode
• Coronal Mass Ejection — 6× in this paper
• Active Regions — 5× in this paper · explained in 1 episode
• Alignment — 5× in this paper · explained in 1 episode
• Interpretability — 5× in this paper · explained in 15 episodes
• alpha — 4× in this paper · explained in 1 episode
• Core — 2× in this paper · explained in 2 episodes
• Homogeneity — 2× in this paper · explained in 2 episodes
• K-Cor Level-2 Polarized Brightness — 2× in this paper
• Regularization — 2× in this paper · explained in 3 episodes
• Root Mean Square Error — 2× in this paper
• U-net architecture — 2× in this paper · explained in 3 episodes
• Adaptability — 1× in this paper · explained in 1 episode
• Adaptive Optics (AO) — 1× in this paper · explained in 2 episodes
• Complementary Metal-Oxide Semiconductor — 1× in this paper
• Data Augmentation — 1× in this paper · explained in 7 episodes
• Inverse Problem — 1× in this paper · explained in 2 episodes
• Loss Function — 1× in this paper · explained in 2 episodes
• Physical Constraints — 1× in this paper · explained in 7 episodes
• Quantization — 1× in this paper · explained in 12 episodes
• Systematic Bias — 1× in this paper · explained in 3 episodes

Sources

• The ASPIICS solar coronagraph aboard the Proba-3 formation flying mission. Scientific objectives and instrument design

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