Mohammad Khalaj-Amirhosseini

We present autocorrelation matching method as a phase-only synthesis method to design power pattern of both linear and planar antenna arrays. Equating the autocorrelation coefficients of an array having a presumed amplitude of antennas to those of a previously designed amplitude-phase array forms the basis of this method. Considering certain examples, the effectiveness of the proposed method for both linear and planar arrays has been verified. Received: August 4, 2025 Revised: September 5, 2025 Accepted: October 16, 2025 DOI: https://dx.doi.org/10.17654/0973700626005

Nonuniformly Excited and Unequally Spaced Arrays (NEUSA) are synthesized optimally. These general type of linear antenna arrays are synthesized to have maximum directivity and minimum Amplitude Dynamic Range (ADR) for a specified sidelobe level (SLL). For this purpose, both positions of antennas and the excitation currents of antennas are considered variable and are optimized simultaneously. A relation is obtained for calculating directivity of NEUSAs versus their amplitude and positions. The presented method is investigated by a comprehensive example. The optimum synthesized arrays have both higher directivity and lower amplitude dynamic range than both equally spaced arrays and uniformly excited arrays. Received: August 28, 2025 Accepted: September 4, 2025 DOI: https://dx.doi.org/10.17654/0973700626003