| Título: | FDTD Investigations into UWB Radar Technique of Breast Tumor Detection and Location |
| Autores: |
Wang, Hua; ITEE, University of Queensland Bialkowski, Marek E.; ITEE, University of Queensland Liu, Feng; ITEE, University of Queensland Crozier, Stuart; ITEE, University of Queensland |
| Fecha: | 2006-07-17 |
| Publicador: | African Journal Of Information & Communication Technology |
| Fuente: |
 |
| Tipo: |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| Tema: | Breast Tumor Detection and Location; UWB Radar system; FDTD |
| Descripción: | In this paper, a finite difference time domain (FDTD) method is applied to investigate capabilities of an ultra-wide band (UWB) radar system to detect and locate a breast tumor. The investigations are divided into three parts. The first part concerns an EM field analysis of a phantom formed by a plastic container with liquid and a small highly reflecting target. In the second part, a three-dimensional numerical breast model is used to perform more advanced studies. In the carried out 3D FDTD simulations, a quasi-plane wave is used as an incident wave. Various time snap shots of the electromagnetic field are recorded to learn about the physical phenomenon of reflection and scattering in different layers of the phantoms. The third part of the investigations concerns a two dimensional (cylindrical) image reconstruction, which is performed by means of 2D FDTD. The obtained results should form the ground for working out suitable guidelines for designing an optimal microwave breast imaging apparatus based on the UWB radar technique. |
| Idioma: | Inglés |
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