Mutual coupling on a cylindrical array of waveguide elements

Abstract

This communication presents a modal approach for investigating mutual coupling on a cylindrical array of waveguide elements. Computed results are given in the form of element patterns and are compared with measured patterns.

Phased Arrays of Rectangular Apertures on Conformal Cylindrical Surfaces: A Multimode Equivalent Network Approach

“…In [1] and [2], the authors derived the scan element patterns of such a structure, using the unit cell approach [3]. This approach was extended in [4], considering an infinitely long cylinder covered with a regular array of rectangular open-ended waveguide radiators. A different approach that gives insight into the coupling between azimuthal modes was proposed in [5] and [6], where a ring of slots is decomposed into a sum of eigenexcitations (modes) and the coupling between modes of adjacent rings are then computed.…”

Conical array studies

“…Papers by Sureau and Hessel [l] and Munger [2] can be used to predict the behavior of circular array ~lenlent patterns and give considerable insight into the behavior of unifornlly spaced circular symmetric arrays of wax7eguide-fed apertures in a large conduct,ing cylinder. N o comparable theory is available to predict the behavior of element patterns on a conical surface.…”

“…In an early study [2] of the effect of scattering from t.he tip on antenna performance, the surface field distribution excited by circumferential and ra.dia1 slots on a…”

A phased antenna array of horizontally polarized radiators near a cylindrical surface

“…An electrodynamic analysis of an antenna array of slot radiators on a circular conducting cylinder was conducted in [1][2][3]. Radiators are made in the form of gaps in the cylinder plane, thus simplifying some computations when solving the problem.…”