Abstract
Most of the currently established techniques for breast cancer have inherent disadvantages, such as destructive effects, image accuracy, and others. In addition, mammography and nuclear methods have a potential for producing harmful ionization effects in humans. Another technique for breast cancer detection is microwave imaging radar, which has the advantage of a less hazardous modality and is a non-destructive method. However, the weakness of the received backscattered signal is a major concern for this technique. Furthermore, there is a limitation to the size of tumour that can be detected. Therefore, this study analyzes the feasibility of ultra wideband (UWB) and microwave forward scattering radar (FSR) system for breast cancer detection. Two parameters which are UWB FSR radar cross section (UWB FS RCS) and received Doppler frequency profile were investigated. The results had shown a significant difference in terms of RCS amplitude of more than 2 dBm2 between normal and cancerous breast which can be used as a clue to detect the presence of tumor. The simulation shows a cancerous breast having Doppler frequency higher than the Doppler value in normal breast. Key words: Early breast cancer detection, ultra wideband (UWB) radar imaging.
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