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International Journal of Antennas and Propagation Volume 2019 ,2019-07-07
A Combined ESPRIT-MUSIC Method for FDA-MIMO Radar with Extended Range Ambiguity Using Staggered Frequency Increment
Research Article
Yuwei Song 1 Guimei Zheng 1 Guoping Hu 1
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DOI:10.1155/2019/3056074
Received 2018-09-20, accepted for publication 2019-04-16, Published 2019-04-16
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摘要

For the problem of joint angle and range estimation with frequency diverse array (FDA), MIMO radar, staggered frequency increment is proposed to expand the range ambiguity and the joint algorithm of ESPRIT and MUSIC is proposed to reduce the computational complexity. The uniformly weighted beampattern of FDA is a SINC-like function. Therefore, the grating lobe of range estimation exists. In this paper, staggered frequency increment is proposed to increase the distance of adjacent grating lobes. The proposed joint estimation algorithm firstly estimates the angle by using ESPRIT algorithm. Then we get the range estimation by MUSIC one-dimensional range search using the above estimated angle. In simulation results section, it is indicated in simulation results that the proposed method improves the range grating lobe and reduces the complexity.

授权许可

Copyright © 2019 Yuwei Song et al. 2019
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

通讯作者

Guimei Zheng.Air and Missile Defense College, Air Force Engineering University, Xi’an 710051, China, afeu.cn.zheng-gm@163.com

推荐引用方式

Yuwei Song,Guimei Zheng,Guoping Hu. A Combined ESPRIT-MUSIC Method for FDA-MIMO Radar with Extended Range Ambiguity Using Staggered Frequency Increment. International Journal of Antennas and Propagation ,Vol.2019(2019)

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