Table 4 Experimental testbed: measured dielectric properties of the materials used in the prototype with the corresponding variation ranges
 | \({\varepsilon }_{{{{\rm{r}}}}}\)(\(-\)) | \(\sigma\) (S m−1) | ||||
---|---|---|---|---|---|---|
 | Measured | Min | Max | Measured | Min | Max |
Muscle phantom | 58.69 | 46 | 70 | 0.95 | 0.6 | 1.1 |
Target phantom | 52.16 | 46 | 70 | 1.30 | 0.6 | 1.8 |