Rydholm Tomas, Fhager Andreas, Persson Mikael, Geimer Shireen D, Meaney Paul M
Department of Electrical Engineering, Chalmers University of Technology, 41258 Gothenburg, Sweden.
Thayer's School of Engineering, Dartmouth College, Hanover, NH 03755, USA.
Diagnostics (Basel). 2018 Sep 1;8(3):61. doi: 10.3390/diagnostics8030061.
A breast phantom developed at the Supelec Institute was interrogated to study its suitability for microwave tomography measurements. A microwave measurement system based on 16 monopole antennas and a vector network analyzer was used to study how the S-parameters are influenced by insertion of the phantom. The phantom is a 3D-printed structure consisting of plastic shells that can be filled with tissue mimicking liquids. The phantom was filled with different liquids and tested with the measurement system to determine whether the plastic has any effects on the recovered images or not. Measurements of the phantom when it is filled with the same liquid as the surrounding coupling medium are of particular interest. In this case, the phantom plastic has a substantial effects on the measurements which ultimately detracts from the desired images.
对法国国立高等电子与电工技术、电子技术及自动化学校（Supelec Institute）研发的乳腺体模进行了检测，以研究其是否适合微波断层扫描测量。使用基于16个单极天线和矢量网络分析仪的微波测量系统，研究散射参数（S-参数）是如何受到体模插入的影响。该体模是一个3D打印结构，由可填充仿组织液体的塑料外壳组成。向体模中填充不同液体，并使用测量系统进行测试，以确定塑料是否会对重建图像产生任何影响。特别令人感兴趣的是，当体模填充与周围耦合介质相同的液体时对其进行测量。在这种情况下，体模塑料对测量有很大影响，最终会影响到理想图像。
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