CERFACS CERFACS Scientific Activity Report Jan. 2010 – Dec. 2011

INTEGRAL EQUATIONS FOR ELECTROMAGNETISM SCATTERING
FIG. 2.1: Reflectarray part of the TSA-CNES antenna at 9.65 Ghz including 12 × 24 cells.
FIG. 2.2: Computed and measured radiation
pattern when the main lobe is in the normal
direction.
FIG. 2.3: Computed and measured modification
of the main lobe resulting from a suitable data set
of the impedance cells.
Mesh Size 10 pts/λ 20 pts/λ 40 pts/λ
C3IE 6.4 1.4 1.3
R-C3IE 4.7 1.9 –
S-C3IE 0.7 0.6 0.5
RS-C3IE 0.6 0.1 –
TAB. 2.1: Error in dB on the RCS for various versions of the C3IE, C3IE : plain C3IE, R-C3IE : C3IE with
refined mesh around the sharp edges, S-C3IE : Stabilized C3IE, RS-C3IE : Stabilized C3IE with refined
mesh around the sharp edges.
54 Jan. 2010 – Dec. 2011