Laser & Optoelectronics Progress, Volume. 56, Issue 10, 101101(2019)
Method for Determining Optimal Radius Value of Defocused Image Spot of Star Sensor
Figures & Tables(5)
Fig. 1. Simulated star point based on IPSF model. (a) σs=0.6 pixel; (b) σs=1.5 pixel
Fig. 2. Three-dimensional distribution of centroid localization error σe with respect to Gaussian radius σs and background noise σg
Table 1. Least square surface fitting coefficient matrix of error model
View tableTable 1. Least square surface fitting coefficient matrix of error model
j i 0 1 2 3 4 0 2.7311×10-2 2.5645×10-2 -1.1732×10-2 5.7245×10-2 -1.2370×10-2 1 -8.6410×10-2 -5.9339×102 3.8144×105 -2.0382×108 4.4994×10-2 2 9.9384×10-2 5.5022×102 -4.2957×105 2.4146×108 -5.3916×10-2 3 -4.9407×10-2 -2.2699×102 2.0010×105 -1.1607×108 2.6108×1010 4 9.0078×1 3.4404×1 -3.2924×10-4 1.9515×107 -4.4130×10-9
Tools
Get Citation
Copy Citation Text
Haiyong Wang, Tengfei Wang, Hongyu Zhu, Tao Liu, Chengjun Ge. Method for Determining Optimal Radius Value of Defocused Image Spot of Star Sensor[J]. Laser & Optoelectronics Progress, 2019, 56(10): 101101
Paper Information
Category: Imaging Systems
Received: Nov. 26, 2018
Accepted: Dec. 7, 2018
Published Online: Jul. 4, 2019
The Author Email: Wang Tengfei (oktengfei@126.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20