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Volume 41 Issue 7
Jul.  2015
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Journal of Beijing University of Aeronautics and Astronautics  > 2015  >  41(7): 1307-1312.
WANG Han, MA Xiaobing, ZHAO Yuet al. Probability model for early warning aircraft radar flight test based on probability of detection curve[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1307-1312. doi: 10.13700/j.bh.1001-5965.2014.0536(in Chinese)
Citation: WANG Han, MA Xiaobing, ZHAO Yuet al. Probability model for early warning aircraft radar flight test based on probability of detection curve[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1307-1312. doi: 10.13700/j.bh.1001-5965.2014.0536(in Chinese)
shu

Probability model for early warning aircraft radar flight test based on probability of detection curve

doi: 10.13700/j.bh.1001-5965.2014.0536

  • School of Reliability and Systems Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 30 Aug 2014
  • Rev Recd Date: 05 Dec 2014
  • Publish Date: 20 Jul 2015
    Abstract
  • A novel probability model was proposed to ensure the coverage rate and the accuracy of probability of detection (POD) curve in early warning aircraft radar flight test, which can also provide the distance sampling intervals and boundary conditions of flight routes. Firstly, we derived the optimal number of sampling points used for curve-fitting after the test based on the requirements of the coverage rate and the accuracy of POD curve. Then, an algorithm was proposed based on the empirical distribution function of POD curve, which could calculate the minimum and maximum detection distance of early warning aircraft radar flight test. Simultaneously, the length of distance sampling intervals was obtained on the basis of the algorithm. Finally, we calculated the number of sampling points in distance sampling intervals and the number of flights according to the statistical properties of the detection probability. The proposed model provides a quantitative basis for the design of radar flight test and the performance evaluation of early warning.

     

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