Accession Number : ADP005664

Title :   Aircraft Radar Antennas,

Corporate Author : WESTINGHOUSE ELECTRIC CORP BALTIMORE MD

Personal Author(s) : Schrank, Helmut E.

Report Date : APR 1987

Pagination or Media Count : 7

Abstract : Many changes have taken place in airborne radar antennas since their beginnings over forty years ago. This lecture includes a brief historical overview of the advances in technology from mechanically scanned reflectors to modern multiple-function phased arrays. However, emphasis is not on history but on the state-of-the-art technology and trends for future airborne radar systems. The status of rotating surveillance antennas is illustrated by the AN/APY-2 Airborne Warning and control System (AWACS) slotted waveguide array, which achieved a significant breakthrough in sidelobe suppression. Gimballed flat-plate arrays in nose radomes are typified by the AN/APG-66 (F-16) antenna. Multifunction phased arrays are represented by the Electronically Agile radar (EAR) antenna, which has achieved significant advances in performance versatility and reliability. Trends toward active aperture, adaptive, and digital beamforming arrays are briefly discussed. antennas for future aircraft radar systems must provide multiple functions in less aperture space, and must perform more reliably.

Descriptors :   *AIRCRAFT ANTENNAS, *RADAR ANTENNAS, PHASED ARRAYS, MECHANICAL SCANNING, SLOT ANTENNAS, AIRBORNE, NATO.

Subject Categories : Electrical and Electronic Equipment
      Active & Passive Radar Detection & Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE