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| DESIGN OF UNEQUALLY SPACED THINNED ARRAYS BASED ON GENETIC ALGORITHM AND SIMULATED ANNEALING |
| Fu Yunqi; Yuan Naichang; Mao Junjie |
| College of Electron. Sci. and Eng.,National Univ. of Defense Tech., Changsha 410073 China |
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Abstract The sidelobe level is an important factor in designing of antenna arrays, and several methods have been developed to improve it. A model of unequally spaced thinned array is given in this paper, which introduces a distance perturbation into the element of a thinned array, in order to improve the sidelobe level. Genetic algorithm and simulated annealing are used to design this kind of array. The pattern of a 200 elements linear array and a 40×20 planar array is presented for the isotropic element pattern, the results verifies the improvement of the sidelobe level.
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Received: 21 May 1999
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2001, Vol. 23 
