Two-Dimensional Imaging Based on Near-Field Focused Array Antenna

被引：17
作者：
Li, Peng-Fa [1 ]
Qu, Shi-Wei [1 ]
Yang, Shiwen [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 611731, Sichuan, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2019年 / 18卷 / 02期
关键词：
Microwave imaging; near-field focused (NFF) beams; phased arrays; reconstruction algorithm; MICROSTRIP ARRAY; SYSTEM;
D O I：
10.1109/LAWP.2018.2888853
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：
In this letter, a near-field focused array antenna is applied to two-dimensional microwave imaging, which steers its focus on the designed focal plane by changing the operating frequency and by phase control in two directions, respectively. The imaging system is composed of this array and two microstrip antennas, as receiver and transmitters, respectively. Simulations and measurements have proved the feasibility of the image reconstruction approach. The proposed method has a high imaging speed due to fast electrical beam scan, and thanks to the frequency scan performance of the array in one dimension, it also shows a low-cost property against the fully phased method.
引用
收藏
页码：274 / 278
页数：5
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