Shaped Beam Synthesis of Real Antenna Arrays via Finite-Element Method, Floquet Modal Analysis, and Convex Programming

PROJECT TITLE :

Shaped Beam Synthesis of Real Antenna Arrays via Finite-Element Method, Floquet Modal Analysis, and Convex Programming

ABSTRACT:

A formed beam synthesis methodology for planar arrays with control of the ripple amplitude within the shaped region, and constraints on the sidelobe and cross-polar levels, is proposed during this paper. A previously developed synthesis formulation for coming up with finite impulse response (FIR) filters by reworking a nonconvex synthesis problem to a convex optimization scheme imposing conjugate symmetric excitation weights, is extended to real and paired radiating components of complex geometry, taking into account mutual coupling effects. The optimization procedure is integrated with a finite array approach simulating completely different array environments. This approach is predicated on the infinite array model through a Floquet modal- and general scattering matrix (GSM)-based mostly analysis, where the periodic radiating part is characterized from a hybrid and full-wave analysis procedure combining the FEM, modal analysis, and domain decomposition technique. Numerical results of different synthesized beam patterns are presented for arrays of open-ended apertures and microstrip antennas.

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