Born Approximation Observations - Introduction to Imaging from Scattered Fields - page 92

table 6.13 Family of First Born Approximation Reconstructions for a Cylinder with a Radius of 60 mm (1λ) Illuminated by a Source with a
Frequency of 5 GHz ( λ = 60 mm) for a Permittivity Range of 0.9-3.9

ε r = 0.9 ε r = 0.8 ε r = 0.7 ε r = 0.6 ε r = 0.5 ε r = 0.4 ε r = 0.3 ε r = 0.2

ε r = 0.1 ε r = − 0.1 ε r = − 0.2 ε r = − 0.3 ε r = − 0.4 ε r = − 0.5 ε r = − 0.6 ε r = − 0.7

ε r = − 0.8 ε r = − 0.9 ε r = − 1.1 ε r = − 1.2 ε r = − 1.3 ε r = − 1.4 ε r = − 1.5 ε r = − 1.6