Accession Number : AD0785138

Title :   A Low-Sidelobe Antenna-Radome Study at Ka-Band.

Descriptive Note : Technical note,

Corporate Author : MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB

Personal Author(s) : Mayhan,Joseph T. ; Simmons,Alan J.

Report Date : 27 JUN 1974

Pagination or Media Count : 74

Abstract : The technical report summarizes the results of estensive measurements designed to evaluate the effects of a homogeneous, spherical, glass (Pyrex) radome on the sidelope 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-sidelope pattern. (Author)

Descriptors :   *RADOMES, *SUBMARINE ANTENNAS, SIDELOBES, LOW INTENSITY, KA BAND, SATELLITE COMMUNICATIONS, LENS ANTENNAS, PARABOLIC ANTENNAS, NAVAL EQUIPMENT, COMMUNICATION AND RADIO SYSTEMS, ANTENNA RADIATION PATTERNS

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE