Measurement method for detecting magnetic and dielectric properties of composite materials at microwave frequencies

Measurements using the Transmission/Reflection line method involves placing a sample in a section of coaxial line and measuring the two ports complex scattering parameters with a vector network analyzer. For calculation of both the permittivity and permeability Nicholson-Ross-Weir method is used. Computation uncertainties problems on a complex plane are considered. An algorithm of SCPI protocol application for remote control of vector network analyzer Rohde&Schwarz series ZVA using LabVIEW programming environment is provided.