双基地多载频MIMO雷达目标运动参数估计

Journal of Systems Engineering and Electronics ›› 2009, Vol. 31 ›› Issue (4): 799-803.

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Movement parameter estimation of targets in bistatic multi-frequency MIMO radar

QIN Guo-dong, CHEN Bai-xiao, CHEN Duo-fang, ZHANG Shou-hong

National key lab of radar signal processing, Xidian Univ., Xi’an 710071, China

Received:2008-01-29 Revised:2008-08-01 Online:2009-04-20 Published:2010-01-03

Abstract

Abstract: The bistatic multi-frequency Multiple-Input Multiple-Output(MIMO) radar uses sparse-array to transmit the frequency modulated continuous wave(FMCW) signal of multiple carrier frequencies and uses an array to receive the echoes.The signal model of a bistatic multi-frequency MIMO radar is analyzed in this paper.A method combining discrete polynomial-phase transform with dechirping is presented to estimate the movement parameter of targets,which reduces the computational complexity dramatically.A new method for multi-frequency MIMO radar is presented to resolve the velocity ambiguity problem.Being Simple and easy to implement,this method can obtain a high-accuracy estimation of velocity.The simulation indicates that the method presented in this paper can estimate the movement parameters of targets effectively.

CLC Number:

TN958.5

QIN Guo-dong, CHEN Bai-xiao, CHEN Duo-fang, ZHANG Shou-hong. Movement parameter estimation of targets in bistatic multi-frequency MIMO radar[J]. Journal of Systems Engineering and Electronics, 2009, 31(4): 799-803.

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Movement parameter estimation of targets in bistatic multi-frequency MIMO radar

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