On the Forward Scattering of Microwave Breast Imaging

Figure 11

𝑆_{𝐴𝐵,mean}(𝑓) and 𝑆_𝐴𝐵,min(𝑓) for the scattering problem of the breast volume with a 5 mm tumor with the dielectric properties of 𝜀_𝑟=15, 𝜎=0.1 S/m. (a) 𝑆_{𝐴𝐵,mean}(𝑓) for linear polarization states, (b) 𝑆_{𝐴𝐵,mean}(𝑓) for circular polarization states, (c) 𝑆_𝐴𝐵,min(𝑓) for linear polarization states and (d) 𝑆_𝐴𝐵,min(𝑓) for circular polarization states.

(a) Mean S parameters under linear polarization basis

(b) Mean S parameters under circular polarization basis

(c) Minimum S parameters under linear polarization basis

(d) Minimum S parameters under circular polarization basis