Microwave Tomography System for Methodical Testing of Human Brain Stroke Detection Approaches

Table 1

Phantom composition in weight percent, target, and measured dielectric parameters at 1 GHz and 25°C, immediately before the measurement in the MWI system.

	HEAD	HEM
Isopropyl alcohol (wt%)	50.48	34.00
Deionized water (wt%)	48.35	64.67
NaCl (wt%)	1.16	1.33
Target (-)	39.60	51.48
Measured (-)	39.80	51.37
U () (%)	1.7	2.1
Target σ (S/m)	0.94	1.220
Measured σ (S/m)	0.94	1.224
U () (%)	2.7	2.7

U: expanded uncertainty of type B, HEAD: head phantom, HEM: hemorrhagic phantom.