Abstract
In this paper a simple iterative synthesis method is presented for the formation of the shape of the reflector surface with a single feed element to produce the desired contour beam. This is the method of the optimal phase synthesis of the appropriate field in the reflector aperture similar to other works. But unlike them, we solve the problem in a very simple way using the properties of complex-valued functions and Fourier transforms and not applying complicated methods of numerical minimization theory.
Highlights
We consider the problem of synthesis of antenna reflector surface with a single feed
Another method is presented for contour beam synthesizing by antenna with a single feed element and a special reflector shape
We describe a new iterative method for numerical shaping of the locally curved shape of the reflector surface for the antenna with a single feed element
Summary
We consider the problem of synthesis of antenna reflector surface with a single feed. The developed methods are very efficient for the synthesis of the reflector surface with the diameter of several tenth of the wavelength In this paper, another method is presented for contour beam synthesizing by antenna with a single feed element and a special reflector shape. The computation of the electric field in opening of the initial reflector (for example, parabolic revolution with focus at the phase center of the feeding element) is carried out in the knots of the uniform lattice at very close aperture. It is implemented by means of a vector radiation model of. We do not consider the diffraction at the edges of these (virtual) “scales”, because, at the final stage of optimization, the weakly discontinuous surface will be changed by a continuous and smooth one
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