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Research on Motion Status Estimation of Dynamic Threat base-on Double Bayes Estimation
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[1]Liu Chang,Zhao Junxiang,Hu Hai.Research on Motion Status Estimation of Dynamic Threat base-on Double Bayes Estimation[J].Journal of Zhengzhou University (Engineering Science),2017,38(02):55-.[doi:10.13705/j.issn.1671-6833.2017.02.013]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 38 Number of periods: 2017 02 Page number: 55- Column: Public date: 2017-04-28
Title:
Research on Motion Status Estimation of Dynamic Threat base-on Double Bayes Estimation
Author(s):
Liu Chang1; Zhao Junxiang2; Hu Hai3
1. School of Automation, Harbin Engineering University, Harbin, Heilongjiang, 150001; 2. Key Laboratory of Space Physics, Beijing, 100076; 3. China Nuclear Power Research and Design Institute, Shuangliu, Sichuan, 610213
Keywords:
double Bayes estimation; underwater dynamic threat; motion status
CLC:
-
DOI:
10.13705/j.issn.1671-6833.2017.02.013
Abstract:
For the issue of motion estimation of underwater dynamic threat,single-stage estimation method is utilized extensively in which velocity is decomposed to three coordinate axes for independent calculation.In order to consider the integrity of the speed,a double Bayesian estimation method is proposed in this paper.In the first stage of the improved approach,the velocity and direction of underwater dynamic threat are estimated by the adaptive Bayesian estimation,and then the position is estimated by the unscented Bayesian estimation in the second stage with the joint efforts of the estimated results in the first stage.Simulation results are provided to verify the feasibility and effectiveness of the proposed method.
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