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首页> 外文期刊>Bulletin of the Polish Academy of Sciences. Technical Sciences >A 3D directive microwave antenna for biomedical imaging application
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A 3D directive microwave antenna for biomedical imaging application

机译：用于生物医学成像应用的3D指令微波天线

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摘要

A directive three dimensional antenna,using folded radiating structure has been presented for the application of microwave imaging in clinical diagnosis.Two reflector walls have been introduced to achieve higher gain and directive radiation pattern along with the folding technique.The shorting wall technique is utilized to reduce the overall antenna size and to get resonance at a lower frequency.The proposed antenna obtained operating band at 1.67 GHz to 1.74 GHz.The dimension of the 3D radiating structure is 40×25×10.5 mm~3.The antenna has an average realized gain of 5.2 dBi.Owing to the unidirectional radiation pattern,high gain and operating bandwidth within lower microwave frequency,the proposed antenna has potential to be used in microwave imaging for biomedical diagnosis.Also,the antenna has been utilized to compute an imaging phenomenon to detect abnormality in human head and result is presented.The design and simulation process are performed in the CST Microwave Studio software.The antenna is fabricated from 0.2 mm thick copper sheets.The results of the fabricated antenna are measured using PNA Network Analyzer(N5227A)and Satimo Star Lab.
机译：提出了一种采用折叠辐射结构的定向三维天线，用于微波成像在临床诊断中的应用。为了实现更高的增益和定向辐射方向图，引入了两个反射器壁以及折叠技术。短壁技术用于减小天线的整体尺寸，并在较低的频率下获得共振。该天线的工作频带为1.67GHz至1.74GHz。三维辐射结构的尺寸为40×25×10.5mm~3。该天线的平均实现增益为5.2 dBi。由于该天线具有单向辐射方向图、高增益以及在较低微波频率范围内的工作带宽，因此该天线有望用于生物医学诊断的微波成像。此外，该天线还被用于计算成像现象，以检测人体头部的异常，并给出了结果。设计和仿真过程在CST微波工作室软件中进行。天线由0.2毫米厚的铜片制成。使用PNA网络分析仪（N5227A）和Satimo Star Lab对制作的天线的结果进行了测量。

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