Beamforming analysis based on CSB sin-FDA

doi:10.21629/JSEE.2020.01.09

Journal of Systems Engineering and Electronics ›› 2020, Vol. 31 ›› Issue (1): 73-84.doi: 10.21629/JSEE.2020.01.09

收稿日期:2019-05-23 出版日期:2020-02-20 发布日期:2020-02-25

Beamforming analysis based on CSB sin-FDA

Bo WANG^1,*(), Junwei XIE¹(), Jing ZHANG²(), Haowei ZHANG¹()

¹ Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China
² Highway Railway College, Shaanxi Vocational and Technical College of Transport, Xi'an 710018, China

Received:2019-05-23 Online:2020-02-20 Published:2020-02-25
Contact: Bo WANG E-mail:wangbo1991@163.com;xjw_xjw_123@163.com;zhangjing1991@163.com;xhzf@163.com
About author:WANG Bo was born in 1991. He received his bachelor and master degrees from Air and Missile Defense College, Air Force Engineering University, Shaanxi, Xi'an, in 2013 and 2015, respectively. He is currently a doctoral student in the Air and Missile Defense College. His research interests include signal processing and interference suppression technology based on the FDA array radar. E-mail: wb_wangbo1991@163.com|XIE Junwei was born in 1970. He received his bachelor, master, and Ph.D. degrees from Air and Missile Defense College, Air Force Engineering University, Shaanxi, Xi'an, in 1993, 1996, 2009, respectively. He is currently a professor in Air and Missile Defense College. His research interests include novel radar systems as well as jamming and anti-jamming. E-mail: xjw_xjw_123@163.com|ZHANG Jing was born in 1991. She received her bachelor degree from Xi'an University of Architecture and Technology, Shaanxi, Xi'an in 2013. She received her master degree from the College of Science, Air Force Engineering University, Shaanxi, Xi'an in 2015. She is currently a lecturer in Shaanxi Vocational and Technical College of Transport. Her research interests include signal processing and interference suppression technology based on the FDA array radar. E-mail: zj_zhangjing1991@163.com|ZHANG Haowei was born in 1992. He received his bachelor and master degrees from Air and Missile Defense College, Air Force Engineering University, Shaanxi, Xi'an in 2014 and 2016, respectively. He is currently a doctoral student in the Air and Missile Defense College. His research interests include multifunction radar resource management and intelligent scheduling. E-mail: zhw_xhzf@163.com
Supported by:
the National Natural Science Foundation of China(61503408);This work was supported by the National Natural Science Foundation of China (61503408)

摘要/Abstract

Abstract:

This paper studies the adaptive beamforming algorithm based on the frequency diverse array (FDA) array where the interference is located at the same angle (but different range) with the target. We take the cross subarray-based FDA with sinusoidal frequency offset (CSB sin-FDA) as the receiving array instead of the basic FDA. The sampling covariance matrix under insufficient snapshot can be corrected by the automatic diagonal loading method. On the basis of decomposing the mismatched steering vector error into a vertical component and a parallel one, this paper searches the vertical component of the error by the quadratic constraint method. The numerical simulation verifies that the beamformer based on the CSB sin-FDA can effectively hold the mainlobe at the target position when the snapshot is insufficient or the steering vector is mismatched.

Key words: receiving processing architectures, minimum variance distortionless response (MVDR) beamformer, cross subarray-based frequency diverse array with sinusoidal frequency offset (CSB sin-FDA), steering vector, snapshots

. [J]. Journal of Systems Engineering and Electronics, 2020, 31(1): 73-84.

Bo WANG, Junwei XIE, Jing ZHANG, Haowei ZHANG. Beamforming analysis based on CSB sin-FDA[J]. Journal of Systems Engineering and Electronics, 2020, 31(1): 73-84.

图/表 21

参考文献 35

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Beamformer	Example 5	Example 6
TS-MVDR based on FDA-MIMO	53.485	57.359
Proposed method based on CSB sin-FDA	36.135	42.362

Beamforming analysis based on CSB sin-FDA

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