A novel BP algorithm-based UWB MIMO ground-penetrating imaging system

被引：0
|
作者：
Xu, Huaqiang [1 ]
Li, Xiaoshuang [1 ]
Fan, Yucheng [1 ]
Yu, Xinchang [1 ]
Wang, Yumeng [1 ]
Zhao, Yuefeng [1 ]
Wang, Jingjing [1 ]
机构：
[1] Shandong Normal Univ, Sch Phys & Elect, Jinan, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2024年 / 66卷 / 08期
基金：
中国国家自然科学基金;
关键词：
BP algorithm; GPR imaging; MIMO radar; UWB; Vivaldi antenna; PHASE-SHIFT MIGRATION; VIVALDI ANTENNA; RADAR; ARRAYS; DESIGN;
D O I：
10.1002/mop.34281
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Ultra-wideband (UWB) multiple input multiple output (MIMO) radar has been widely used in detection systems due to its advantages, such as low cost and high data acquisition capability. The detection system is applied in various ground-penetrating applications, including mine detection and earthquake rescue. In this paper, a novel UWB MIMO radar system based on step-frequency continuous wave is designed for underground target detection. To improve the penetration depth and high-range resolution, a new miniature Vivaldi antenna with a bandwidth of 1-3 GHz is designed and integrated into the ground-penetrating imaging system. Furthermore, a multiscale weighted time-domain back projection (BP) algorithm is proposed to suppress artifacts and reduce the computational complexity of the BP algorithm. The designed system is tested by detecting stationary targets. The experimental results agree well with the simulation. The reconstructed images show that the designed MIMO radar system can successfully image underground targets.
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收藏
页数：10
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