Antenna Modeling and Reconstruction Accuracy of Time Domain-Based Image Reconstruction in Microwave Tomography

Table 2

Specifications of the 3D FDTD modeling when the antenna system was filled with water.

FDTD grid	179 × 179 × 35
Grid size length	2 mm
CPML	7 layers
Pulse center frequency	0.5 GHz
Pulse FWHM bandwidth	0.5 GHz
Water level in tank	50 mm
Water properties	𝜖𝑟=77.5, 𝜎=0.05 S/m
Background properties	𝜖𝑟=1.0, 𝜎=0.0 S/m
Antenna model	Thin wire
Feed model	50 Ω RVS