A Twin Spiral Planar Antenna for UWB Medical Radars

Table 1

Simulated fidelity factor for the proposed twin antenna.

Probe position (cm)	Fidelity factor
𝑥=0; 𝑦=0; 𝑧=10	0.9803
𝑥=0; 𝑦=0; 𝑧=5	0.9732
𝑥=4; 𝑦=0; 𝑧=0	0.9283
𝑥=−4; 𝑦=0; 𝑧=0	0.9680