A dielectric-coated circumferential slot array for omnidirectional coverage at microwave frequencies
- 1 November 1967
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 15 (6) , 722-727
- https://doi.org/10.1109/TAP.1967.1139039
Abstract
The design and development of a resonant array of circumferential shunt slots cut into the broad wall of a ring waveguide are presented. This antenna, which is recessed into a metal cylinder and dielectric coated, provides nearly omnidirectional coverage. Calculations using an idealized model consisting of a dielectric-coated flush-mounted array on a metal cylinder were performed and used as the primary basis for design. The array recess design was experimentally determined and shown to control the elevation pattern when the recessed array is mounted on a variety of spacecraft shapes. The tolerance problems and the related trapped wave effects encountered in the development of the array are discussed.Keywords
This publication has 8 references indexed in Scilit:
- Series-slotted waveguide array antennasPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2005
- Design of dielectric-covered resonant slots in a rectangular waveguideIEEE Transactions on Antennas and Propagation, 1967
- On the use of an array of circumferential slots on a large cylinder as an omnidirectional antennaIEEE Transactions on Antennas and Propagation, 1966
- The Application of Circular Arrays to Spacecraft Antenna ProblemsIEEE Transactions on Aerospace, 1964
- The radiation fields from a circumferential slot on a metal cylinder coated with a lossy dielectricIEEE Transactions on Antennas and Propagation, 1961
- Radiation from ring quasi-arraysIEEE Transactions on Antennas and Propagation, 1956
- Azimuthal Surface Waves on Circular CylindersJournal of Applied Physics, 1955
- Theory of Slots in Rectangular Wave-GuidesJournal of Applied Physics, 1948