Rapid optimization design method and system based on cylindrical surface conformal array

Abstract

The invention discloses a rapid optimization design method and system based on a cylindrical surface conformal array, and belongs to the technical field of microwaves, and the method comprises the following steps: S1, setting modeling conditions; S2, selecting the number of optimization units; S3, optimizing the model by using an algorithm. According to the method, the cylinder array model is built by combining the periodic boundary condition and PML. The minimum number of units needed for optimization is found by utilizing the mutual coupling relation of the circumference of the cylinder, andthen optimization is carried out through algorithms such as heredity and the like. The cylinder array is modeled in a mode of combining the periodic boundary condition and the PML. The complexity ofthe model can be greatly reduced, the modeling efficiency is effectively improved. Mutual coupling strength relationship between the antenna units is utilized. The minimum number of units is selectedto optimize the central active standing wave. The time required by simulation can be greatly reduced, optimization design can be conveniently carried out on the antenna through algorithms such as heredity, and the method is worthy of being popularized and used.

Description

technical field [0001] The invention relates to the field of microwave technology, in particular to a method and system for rapid optimization design based on cylindrical surface conformal arrays. Background technique [0002] In recent years, the rapid development of wireless communication and radar technology, modern development requirements such as "air-space-ground integration" information network technology, radar stealth and all-round combat force the antenna to continuously improve its shape to reduce the impact of the antenna on the aerodynamic performance of the platform and has Wider scanning range. Conformal array antennas are more and more favored by researchers because of their omnidirectional 360° beam coverage and strong stealth characteristics. [0003] Cylindrical conformal array refers to the antenna in which the array elements are arranged according to certain rules on the surface of the cylindrical carrier, and the array surface and the carrier surface c...

AI Technical Summary

Problems solved by technology

However, due to the lack of periodicity in the arrangement of cylindrical arrays, most of the current design of cylindrical arrays is through the simulation of small arrays, which causes problems such as complex modeling, large amount of calculation, difficult optimization, and long design cycle.

Images