Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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A Study of Laboratory Measurement of EO GRD Resolution for Airborne EO/IR Sensor

항공용 EO/IR 센서의 EO GRD 분해능 실험실 측정 연구

  • Huh, Joon (The 3rd Research and Development Institute, Agency for Defense Development) ;
  • Kim, Chang-Woo (The 3rd Research and Development Institute, Agency for Defense Development) ;
  • Kim, Sungsoo (The 3rd Research and Development Institute, Agency for Defense Development) ;
  • Kim, Byoung-Wan (ISR/PGM R&D, Samsung Thales Co., Ltd.)
  • 허준 (국방과학연구소 제3기술연구본부) ;
  • 김창우 (국방과학연구소 제3기술연구본부) ;
  • 김성수 (국방과학연구소 제3기술연구본부) ;
  • 김병완 (삼성탈레스(주) ISR/PGM R&D 연구소)
  • Received : 2014.05.20
  • Accepted : 2014.11.07
  • Published : 2014.12.05
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Abstract

EO GRD(Ground Resolved Distance) resolution of airborne EO/IR(Electro-Optical/Infrared) sensor is a critical factor in test and evaluation for EO sensor performance. We propose the laboratory measurement set-up for EO GRD by constructing optical collimator which includes integrated sphere, blackbody, equivalent 3-bar target and 6 DOF motion simulator. GRD is measured in the photographic imagery of bar targets by 3 different distances for 3 EO/IR sensors and the measured results were analyzed statistically. We found that at least 7 sheets of imagery are needed in order to obtain meaningful EO GRD. The result of statistical analysis shows that the distribution of the measured GRD is nearly symmetric about the average GRD, and the better imagery ratio above the average GRD is about 40~70%. Also from the best GRD analysis, it is estimated that the design goal for EO GRD should be 30% superior to the required GRD.

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References

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