Pattern synthesis with angular mask for leaky-wave antennas

Abstract

Recently, a method of pattern synthesis for leaky-wave antennas (LWAs) using global optimization has been proposed by the authors. This technique utilizes a lossy transmission-line model for nonuniform continuous-source LWAs, and it was shown that taking into account reflections along the line provides a significant accuracy improvement compared to the traditional formula. In this paper, further application on arbitrary pattern synthesis will be investigated with an example of optimization under a specific pattern mask for a Half-Mode Substrate-Integrated Waveguide LWA. The cost function and optimization setup are adapted accordingly. The obtained results further demonstrate the applicability and flexibility of the method in the optimization of this type of antennas.