Born Approximation Observations - Introduction to Imaging from Scattered Fields - page 76

table 6.5 Family of First Born Approximation Reconstructions for a Pair of Squares with Sides of 120 mm (2λ) Illuminated by a Source
with a Frequency of 5 GHz ( λ = 60 mm) for a Permittivity Range of 1.1-1.9

ε r = 1.1 ε r = 1.2 ε r = 1.3 ε r = 1.4 ε r = 1.5 ε r = 1.6 ε r = 1.7 ε r = 1.8 ε r = 1.9

number
of
sources

N = 8.39 N = 8.76 N = 9.12 N = 9.47 N = 9.80 N = 10.12 N = 10.43 N = 10.73 N = 11.03

kVa = 2.5 kVa = 5 kVa = 7.5 kVa = 10 kVa = 12.6 kVa = 15.1 kVa = 17.6 kVa = 20.1 kVa = 22.6

4

6

9