Switched Sensor Array for Near-field Microwave Imaging of Tissue

被引：0
|
作者：
Beaverstone, Alex S. [1 ]
Nikolova, Natalia K. [1 ]
机构：
[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON, Canada
来源：
2015 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2015年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper describes the design of an electronically-switched active antenna array for near-field microwave imaging of tissue in the range of 6 to 8 GHz. Each antenna element connects directly to a dedicated radio front-end, whose intermediate frequency output is fed to a common port for digital data processing. In this way, the difficulties of designing reproducible microwave switching and feeding networks are avoided. Within each front-end, switched-bias low-noise amplifiers are used to maximize the difference in received power between the on and off states of the imaging sensors, thereby enhancing the dynamic range of the measurement.
引用
收藏
页码：354 / 355
页数：2
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