Whole-System Electromagnetic Modeling for Microwave Tomography
Antennas and Wireless Propagation Letters, IEEE（2013）
摘要
This letter presents a full-wave, whole-system modeling of microwave imaging tomography (MWT) systems to be used as the forward model in reconstruction (inverse) algorithms. The full geometry including antennas and their ports is simulated via a finite element method (FEM) approach. A new technique is used to compute the antenna operation in the system, which provides a general method to enforce the excitation as a specific modal distribution and to extract the voltage and current from the employed antenna. We report results for a complete microwave imaging (MWI) system with comparison between measured and simulated data.
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关键词
antennas,finite element analysis,image reconstruction,medical image processing,microwave imaging,tomography,antenna operation,finite element method,full-wave whole-system modeling,microwave imaging tomography,modal distribution,reconstruction inverse algorithms,whole-system electromagnetic modeling,admittance matrix,breast cancer detection,finite element methods (fems),microwave imaging (mwi),monopole antennas,finite element methods
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