TY - JOUR
T1 - An error test and compensation method of infrared guidance hardware-in-the-loop system by self-calibration device
AU - Yang, Yang
AU - Zhang, Jiaxuan
AU - Tian, Yi
AU - Shi, Rui
AU - Ye, Jiansen
AU - Wang, Xin
AU - Li, Zhuo
N1 - Publisher Copyright:
© 2015 Elsevier B.V. All rights reserved.
PY - 2015/6/10
Y1 - 2015/6/10
N2 - An error test and compensation method of infrared guidance hardware-in-the-loop system by self-calibration device and flight motion simulator was proposed. The optical system of the unit under test and infrared scene projector were combined into a synthesis optical system. After the pupil function of synthesis optical system reconstructed, Fourier-optics method and ray-tracing method were adopted to analyze the effect on PSF and MTF caused by "offset error" and "tilt error". The analysis results showed that the MTF were higher than 0.4 in spatial frequency of 30 (lp/mm), when the system has offset error below 5 mm and tilt error below 0.3°. However, the tilt error would affect the position of the PSF, and it should be eliminated. To eliminate the tilt error, a self-calibration device was designed, and the tilt error compensation method by adjusting the flight motion simulator was described. Finally, the experiment results showed that the accuracy of the simulation results was improved obviously after the compensation.
AB - An error test and compensation method of infrared guidance hardware-in-the-loop system by self-calibration device and flight motion simulator was proposed. The optical system of the unit under test and infrared scene projector were combined into a synthesis optical system. After the pupil function of synthesis optical system reconstructed, Fourier-optics method and ray-tracing method were adopted to analyze the effect on PSF and MTF caused by "offset error" and "tilt error". The analysis results showed that the MTF were higher than 0.4 in spatial frequency of 30 (lp/mm), when the system has offset error below 5 mm and tilt error below 0.3°. However, the tilt error would affect the position of the PSF, and it should be eliminated. To eliminate the tilt error, a self-calibration device was designed, and the tilt error compensation method by adjusting the flight motion simulator was described. Finally, the experiment results showed that the accuracy of the simulation results was improved obviously after the compensation.
KW - Fourier optics
KW - HWIL
KW - Infrared scene simulator
KW - Modulation transfer function
UR - http://www.scopus.com/inward/record.url?scp=84930624827&partnerID=8YFLogxK
U2 - 10.1016/j.infrared.2015.04.012
DO - 10.1016/j.infrared.2015.04.012
M3 - Article
AN - SCOPUS:84930624827
SN - 1350-4495
VL - 71
SP - 277
EP - 284
JO - Infrared Physics and Technology
JF - Infrared Physics and Technology
ER -