Figures & data
Figure 1. Coaxial probe. Geometry and material data. All dimensions are in millimetres.
Figure 2. Coaxial probe. Magnitude of reflection coefficient as a function of frequency and relative permeability, as computed by the proposed algorithm.
Figure 3. Coaxial probe. Magnitude of error in reflection coefficient (37) as a function of frequency and relative permeability.
Figure 4. Coaxial probe. Magnitude of error in reflection coefficient (37) as a function of frequency and relative permeability computed by direct implementation of definition (10) and post-orthogonalization.
Figure 5. Patch antenna. Schematic of the geometry, featuring two different dielectrics. Dimensions are given in Citation21.
Figure 6. Patch antenna. Magnitude of reflection coefficient at ϵ r2 = 3 as a function of frequency and relative permittivity ϵ r1.
Figure 7. Patch antenna. Comparison of ROM with full FE simulations for ϵ r1 = 1 and ϵ r2 = 3.
Figure 8. Patch antenna. Magnitude of error in reflection coefficient (37) as a function of frequency. Parameters ϵ r1 = 1, ϵ r2 = 3.
