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Volume 36 Issue 11
Nov.  2010
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Journal of Beijing University of Aeronautics and Astronautics  > 2010  >  36(11): 1290-1294.
Qi Bojin, Xu Haiying, Huang Songtao, et al. Ultrasonic frequency pulse tungsten inert gas welding power source topology and welding applicability[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(1): 61-64. (in Chinese)
Citation: Cao Xiaorui, Dong Chaoyang, Wang Qing, et al. High accuracy data fusion of radar/infrared multi-mode guidance seeker with radar radome interference[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(11): 1290-1294. (in Chinese)
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High accuracy data fusion of radar/infrared multi-mode guidance seeker with radar radome interference

  • School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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  • Corresponding author: Cao Xiaorui
  • Received Date: 12 Oct 2009
  • Publish Date: 30 Nov 2010
    Abstract
  • In order to improve anti-interference ability of radar/infrared multi-pattern composite guidance seeker with radome refraction, a new multiple model radome slopes estimate algorithm based on extended Kalman filter(EKF) was proposed in the three dimensional engagement scenarios. The slopes estimates were utilized in EKF to degrade the radome refraction in measuring line-of-sight and to get the local optimal estimates. Both of partial estimation results were integrated with sensor weighted coefficients depended on the sensor contextual information, which was introduced to characterize the reliability of sensor. The invalidity signals would be rejected. The performance of the proposed fusion algorithm was examined by four examples. Simulation results show that the algorithm can appropriately use radar/infrared measurement with radome slopes effectively estimating to enhance the estimating accuracy.

     

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