Figure 15
From: Near Field Breast Tumor Detection Using Ultra-Narrow Band Probe with Machine Learning Techniques

Experiment results of using a 9 mm high dielectric sphere embedded in a hemisphere chicken meat at three different locations using PCA analyses. (a) Magnitude of S11 and (b) phase of S11 at distance off 5 mm respectively. (c) Magnitude of S11 and (d) phase of S11 at distance off 10 mm respectively.