Accelerated Holographic Imaging With Range Stacking for Linear Frequency Modulation Radar

被引：12
作者：
Meng, Yang [1 ]
Lin, Chuan [2 ]
Qing, Anyong [2 ]
Nikolova, Natalia K. [3 ]
机构：
[1] Chongqing Univ Posts & Telecommun, Sch Optoelect Engn, Chongqing 400065, Peoples R China
[2] Southwest Jiaotong Univ, Sch Elect Engn, Chengdu 611756, Peoples R China
[3] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2022年 / 70卷 / 03期
关键词：
Radar imaging; Imaging; Image reconstruction; Radar; Interpolation; Stacking; Image quality; Holographic imaging; linear frequency modulation (LFM); millimeter-wave (MMW); range stacking (RS); security screening; MIGRATION; ALGORITHM;
D O I：
10.1109/TMTT.2021.3136292
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：
General theory of holographic inversion with linear frequency modulation (GHI-LFM) has been proposed recently, providing the framework for further advances in the holographic methods for image reconstruction with millimeter-wave linear frequency modulation (LFM) radar. Here, accelerated holographic imaging (AHI)-LFM, an AHI method for LFM radar that exploits range stacking, is proposed. The method is developed and validated for the purpose of whole-body security screening. The image quality and the computational efficiency are compared with the original GHI-LFM algorithm. It is demonstrated that the AHI-LFM algorithm improves the reconstruction speed by at least an order of magnitude while preserving the same image quality for the image sizes arising in practical whole-body security screening.
引用
收藏
页码：1630 / 1638
页数：9
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