A Low-Sidelobe Antenna-Radome Study at Ka-Band
Abstract
The technical report summarizes the results of extensive measurements designed to evaluate the effects of a homogeneous, spherical, glass (Pyrex) radome on the sidelobe structure of an isolated, low-sidelobe antenna. The antenna-radome combination is intended for use on a submarine for satellite communication. The results are divided into three basic categories: first, the performance of an optimum low-sidelobe antenna is discussed; second, the measured and calculated performance of various candidate antennas without radome will be presented; finally, the effects of the spherical radome on the radiation patterns of the isolated antennas will be considered. Both lens and paraboloidal dish antennas are considered. The results of the measurements show that with the lens-radome combination low sidelobes can be achieved, whereas the dish-radome design presents considerable difficulties in achieving a low-sidelobe pattern.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 27, 1974
- Accession Number
- AD0785138
Entities
People
- Alan J Simmons
- Joseph T. Mayhan
Organizations
- Massachusetts Institute of Technology