A symmetry-exploiting fast direct solver with multipole decomposition and macro-basis functions allows efficient mutual coupling analysis for large reflector arrays such as the 320-element HERA telescope.
Fast analysis of large antenna arrays using the characteristic basis function method and the adaptive cross approximation algorithm
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A Fast Direct Solver for Mutual Coupling Analysis of Large Arrays of Reflector Antennas
A symmetry-exploiting fast direct solver with multipole decomposition and macro-basis functions allows efficient mutual coupling analysis for large reflector arrays such as the 320-element HERA telescope.