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    The MSMM/GA design of non-uniform spacing collinear dipole antenna arrays
    (2011-11-01)
    Kawdungta, S.
    ;
    Phongcharoenpanich, C.
    ;
    Torrungrueng, D.
    In this paper, the use of the multiple sweep method of moments (MSMM) is proposed to design collinear dipole antenna arrays in free space. The genetic algorithm (GA) is cooperated to find the optimum array parameters. The antenna design is focused on non-uniform spacing collinear dipole antenna arrays. Under this appropriate combination (MSMM/GA), numerical results are presented to demonstrate its accuracy and efficiency for non-uniform spacing collinear dipole antenna arrays in free space. It is found that the MSMM/GA method provides more accurate radiation patterns than the pattern multiplication method, especially at side lobes. © 2011 IEEE.
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    The MSMM/SA/GA design of non-uniform spacing collinear dipole antenna arrays
    (2011-08-12)
    Kawdungta, S.
    ;
    Phongcharoenpanich, C.
    ;
    Torrungrueng, D.
    In this paper, the multiple sweep method of moments (MSMM) with the spectral acceleration (SA) algorithm and the genetic algorithm (GA) is proposed to design non-uniform spacing collinear dipole antenna arrays in free space. The SA algorithm is employed to accelerate the MSMM to be O(N), and the GA is incorporated to find optimum array parameters, where N is the total number of unknowns. Under this appropriate combination, numerical results are presented to demonstrate the accuracy and efficiency of the MSMM/SA/GA method for electrically large non-uniform spacing collinear dipole antenna arrays in free space. It is found that the MSMM/SA/GA method provides more accurate radiation pattern than the pattern multiplication method. Moreover, the computational time and the memory storage requirement tend to be O(N) with the array increment in one direction. © 2011 IEEE.