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Recent years have shown a considerable interest in using a wideband microwave radar technique for detecting and locating breast cancer. The basis for microwaves to detect and locate tumour is the difference in the electrical properties of normal and malignant breast tissue. Normal breast tissue is largely transparent to microwaves while lesions, which contain more water and blood, scatter them back...
A finite difference time domain (FDTD) analysis is applied to investigate capabilities of an ultra-wide band (UWB) radar system to detect a breast tumor. A three-dimensional numerical breast model with a small tumor is used in these investigations. FDTD simulations are carried out assuming a quasi planar incident wave equivalent to that in a planar UWB radar system with a step-frequency synthesized...
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