Research for super-resolution microwave imaging method for ultra-wideband radar system

2016 Fiscal Year Final Research Report

• Project/Area Number: 26709030
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Partial Multi-year Fund
• Research Field: Measurement engineering
• Research Institution: The University of Electro-Communications
• Principal Investigator: Kidera Shouhei 電気通信大学, 情報理工学(系)研究科, 准教授 (00549701)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 超広帯域信号 / レーダ信号処理 / マイクロ波イメージング / 非破壊検査 / 乳がん検査 / Range Points Migration法 / マイクロ波アブレーション

Outline of Final Research Achievements

In this research, we have developed an accurate and high resolution imaging
method for microwave ultrawideband imaging applications for non-destructive testing issue and bio-medical diagnosis or treatment especially for breast cancer. In particular, we extended the range points migration method for object buried in dielectric media, e.g. concrete, and achieved a high accuracy for shape reconstruction, compared with that obtained by synthetic aperture based method. In addition, we developed the advanced RPM method corresponding to heterogeneous and dispersive media assumed in breast by using FDTD based wavefront extraction. Furthermore, microwave monitoring scheme of microwave based ablation treatment for cancer, we have developed the real-time, accurate and noise-robust imaging algorithm based on time difference of flight (TDOA) approach. We have demonstrated the effectiveness of our proposed method using the numerical simulation and experimental data.

Free Research Field

計測工学