1.Research progress in antenna technology for microwave imaging of stroke
Haisheng ZHANG ; Xu NING ; Lin XU ; Wei ZHUANG ; Zelin BAI ; Lilong ZHOU ; Jia XU ; Feng WANG ; Mingsheng CHEN
International Journal of Biomedical Engineering 2023;46(3):231-239
The diagnostic technology of acute stroke by microwave imaging has the advantages of being non-ionizing, fast, small, and low-cost. Therefore, this technology is expected to become an auxiliary or alternative means to CT and MRI technology. As the signal transmitting and receiving device of the microwave imaging system, the antenna has an important influence on the performance of the imaging system. At present, there are many antennas with different performances used in imaging systems, but there is a lack of clear evaluation criteria for them. In this paper, several typical antennas were introduced, their advantages and disadvantages from the perspective of bandwidth and near-field were analyzed, and the common requirements of imaging systems for antennas and the performance indicators of various types of imaging systems were summarized. Moreover, the development trend of antenna technology for microwave imaging was pointed out to provide a reference for the study of stroke microwave imaging technology.
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