Predicting antenna pattern degradations in microstrip reflectarrays through interval arithmetic. Issue 8 (1st June 2016)

• Record Type: Journal Article
• Authors: Rocca, Paolo; Poli, Lorenzo; Anselmi, Nicola; Salucci, Marco; Massa, Andrea
• Is Part Of: IET microwaves, antennas & propagation. Volume 10:Issue 8(2016)
• Page Start: 817
• Page End: 826
• Publication Date: 2016-06-01
• Subjects: antenna radiation patterns -- reflectarray antennas -- microstrip antenna arrays; antenna pattern degradations -- microstrip reflectarrays -- interval arithmetic -- antenna power pattern -- microstrip patches -- reflectarray antennas -- electric antenna parameters -- geometric antenna parameters -- reliability -- tolerance errors; Microwaves -- Periodicals; Microwave antennas -- Periodicals; Antennas (Electronics) -- Periodicals; Radio wave propagation -- Periodicals; Microwave communication systems -- Periodicals; 621.381305
• DOI: 10.1049/iet-map.2015.0837
• Languages: English
• ISSNs: 1751-8725

Abstract

Abstract : The effects on the antenna power pattern of the tolerances in etching the microstrip patches and in the knowledge of the substrate characteristics of reflectarray antennas are predicted with an approach based on the arithmetic of intervals and the interval analysis ( IA ). The uncertainties on the geometric and electric antenna parameters are defined as intervals and the rules of IA are applied to determine the bounds of deviation of the actual power pattern with respect to the nominal pattern. A set of representative results is reported to validate the proposed approach and to show its reliability and efficiency when considering different tolerance errors and various operational conditions.