REFLECTOR ANTENNA ZOOM TECHNIQUES.
Abstract
The work performed during the third quarter of a study of a reflector antenna that provides zoom (variable beamwidth) and scan capability using controlled aperture amplitude and phase is described. The antenna consists of a primary reflector (paraboloid) and a secondary reflector/lens. It operates as a lens in conjunction with one feed for scanning in the received mode and as a reflector in conjunction with another feed for zooming in the transmit mode. Switching between a zooming transmit mode and a scanning receive mode results in a versatile radar antenna with an inherent duplexing capability. The performance of this antenna system is being analyzed numerically with the aid of digital computers. This report describes the analysis of various geometric configurations with respect to their ability to achieve specified design goals and the early part of a study of elements for the reflector/lens. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1967
- Accession Number
- AD0815890
Entities
People
- George E. Skahill
- Walter I. Satre Jr