Analysis of the Influence of Tilt Angle on Star Identification of Digital Zenith Camera

2018 3rd International Conference on Insulating Materials, Material Application and Electrical Engineering

材料科学;无线电电子学;电工学

Yang, Shang^1 ; Zhou, Zhaofa^1 ; Liu, Xianyi^1

Xi'an Institute of High-Tech, Hongqing Town, Xi'an, Shanxi

710025, China^1

关键词: Calculation models;    CCD images;    CCD sensors;    Co-ordinate transformation;    Star identification;    Star images;    Star map identification;    Tilt angle;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/452/4/042142/pdf
DOI  :  10.1088/1757-899X/452/4/042142

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

Considering that the tilt angle of the digital zenith camera in the fine state affects the position of the star image on the CCD sensor, this paper established the CCD image coordinate calculation model in the horizontal state according to the principle of quaternion coordinate transformation, and analyzed the influence of the tilt angle on the star map identification combined with the experimental data. The experimental results show that the tilt angle has a significant impact on the position of star imaging, but does not affect the results of star map identification.