Figure 4
From: Near Field Breast Tumor Detection Using Ultra-Narrow Band Probe with Machine Learning Techniques
The probe response for normal breast tissue and breast tissue with different tumor sizes of 9 mm, 13 mm and 17 mm using the PCA feature extraction method. (a) The magnitude of S11, (b) the magnitude of S11 using PCA, (c)the phase of S11 and (d) the phase of S11 using PCA.
