Polarization-Agile Ads-Interleaved Planar Arrays

Abstract

Abstract-This paper presents a class of polarization-agile arrays with controlled sidelobes. The architecture is based on the interleaving of two independently polarized sub-arrays through a deterministic strategy derived from Almost Difference Sets (ADSs). The efficiency, flexibility and reliability of the proposed design technique is assessed by means of a set of numerical simulations. Moreover, selected experiments aimed at comparing the performances of the presented approach with state-of-the-art design are provided. Finally, mutual coupling effects are numerically analyzed and discussed.

Fast 3D Pattern Synthesis with Polarization and Dynamic Range Ratio Control for Conformal Antenna Arrays

“…The polarization properties of an antenna array can be exploited to acquire considerable benefits, such as mitigating fading effects, improving the performance of a radar system, and compensating the transmitter/receiver polarization mismatch. To obtain a desired polarization, an approach widely adopted by the antenna developers relies on the design of the physical antenna system, thus operating on the array geometry [1], on the technology of the single array element [2,3], and on the position of the feeds [4] or, more in general, using combinations of these techniques [5][6][7][8]. When the physical antenna system is given, including the elements, the geometry, and the feeding network, the designer can act on the array excitations by properly selecting their amplitudes and phases in order to satisfy the polarization requirements.…”

An Interval Arithmetic-based robustness evaluation of sub-arrayed linear array antenna architectures

“…Sub-arraying techniques are commonly used in the synthesis of array antennas, especially for large arrays as they allow to group the elements into sub-arrays reducing the number of control points in the feeding network [1][2][3][4][5][6][7][8][9][10][11]. The reduction in the complexity of the antenna architecture allows a sensible decrease in costs and a simplification in array manufacturing.…”