Error Analysis and Optimization of a Sky Full-Polarization Imaging Detection System

被引:4
作者
Chen, Yongtai [1 ,2 ,3 ]
Tang, William C. [3 ]
Chu, Jinkui [1 ,2 ]
Zhang, Ran [1 ,2 ]
Li, Song [1 ,2 ]
机构
[1] Dalian Univ Technol, Key Lab Micro Nano Technol & Syst Liaoning Prov, Dalian, Peoples R China
[2] Dalian Univ Technol, Sch Mech Engn, Dalian, Peoples R China
[3] Univ Calif Irvine, Dept Biomed Engn, Irvine, CA 92697 USA
基金
中国国家自然科学基金;
关键词
ANGLE; FIELD;
D O I
10.14358/PERS.87.4.273
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
An accurate sky polarization field map is a prerequisite for polarization navigation applications. In this article, a detector for sky full-polarization imaging detection is described, the major error-influencing factors (MEIFS) are obtained, and the error propagation is modeled and analyzed. We reveal the relationship between the error of the inversed Stokes vector and the condition number of the detector matrix, which shows that the error of the inversed Stokes vector is affected by the Stokes vector of the incident light itself and the MEIFS together, with the MEIFS playing a decisive role. With the MEIFS optimized, the impact of detector error on the inversed Stokes vector is attenuated. A control equation for system calibration is also deduced which can establish the connection between the detector matrix design and calibration process. The work in this article provides a reference for optimization and calibration of sky full-polarization imaging detectors.
引用
收藏
页码:273 / 282
页数:10
相关论文
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