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| A Radar DOA Tracking Method for Multiple Targets Based on SDE Model |
| HOU Yuguan，HAN Yuanpeng，XIE Jinyue，MAO Xingpeng |
| School of Electronics and Information Engineering， Harbin Institute of Technology，
Harbin 150001， Heilongjiang， China |
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Abstract To solve the problem of low accuracy for multiple targets tracking in case of low SNR(signal noise ratio), a MIMO radar DOA(direction of arrival) tracking method based on SDE model is proposed in this paper to correct error of tracking model. The stochastic differential equation and the particle filter based on Markov Chain Monte Carlo (MCMC) are used for modeling and continuous reasoning for the multiple targets. The effectiveness of this method is verified by the simulation results, the tracking accuracy of motion multiple targets can be improved by more than 20% in case of low SNR.
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Received: 25 December 2020
Published: 24 March 2021
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2021, Vol. 4 
