A preliminary numerical analysis of a system for breast tumor detection, am
enable to practical implementation, is described. The general idea was prev
iously introduced and relies on ultrawide-band radar and confocal imaging.
The system consists of an array of small antennas placed away from the brea
st. Simulations of each antenna in the array are performed with the finite-
difference time-domain (FDTD) method. A tumor detection algorithm is applie
d to the data, incorporating skin return subtraction to enhance tumor retur
ns.