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An elliptical array composed of 10 uniform elliptical apertures as the radiating elements is presented. Assume that each aperture in an electric conducting plane spreads on the elliptic orbit and is fed by the uniform plane wave in order... more
An elliptical array composed of 10 uniform elliptical apertures as the radiating elements is presented. Assume that each aperture in an electric conducting plane spreads on the elliptic orbit and is fed by the uniform plane wave in order to obtain a low SLL array pattern with high directivity. The elliptic orbit eccentricity and the angular position of each array element are stimulated. The applied parameters are determined by an elaborate optimization procedure. The utilized procedure comprising the geometric computational technique (GCT), and angular positions excitation (APE) is stated in detail, respectively to determine a satisfactory eccentricity and the angular position of each element.
An elliptical array composed of 10 uniform elliptical apertures as the radiating elements is presented. Assume that each aperture in an electric conducting plane spreads on the elliptic orbit and is fed by the uniform plane wave in order... more
An elliptical array composed of 10 uniform elliptical apertures as the radiating elements is presented. Assume that each aperture in an electric conducting plane spreads on the elliptic orbit and is fed by the uniform plane wave in order to obtain a low SLL array pattern with high directivity. The elliptic orbit eccentricity and the angular position of each array element are stimulated. The applied parameters are determined by an elaborate optimization procedure. The utilized procedure comprising the geometric computational technique (GCT), and angular positions excitation (APE) is stated in detail, respectively to determine a satisfactory eccentricity and the angular position of each element.
The radiation pattern of the antenna arrays is most important problem in communications technology. In this paper, the optimization of uniform circular antenna array is efficiently solved by ant colony optimization (ACO) Method. The... more
The radiation pattern of the antenna arrays is
most important problem in communications technology.
In this paper, the optimization of uniform circular
antenna array is efficiently solved by ant colony
optimization (ACO) Method. The proposed method of
optimization is used to determine the suitable cost
function which leads to achieve the maximum reduction
in side lobe level and provide the maximum directivity
towards the direction. To optimize the desired antenna
array pattern also one parameter is considered to be
optimized which is the angular position of each element.