MISSILE-BORNE TRACKING ANTENNA.
Abstract
The development of electronically steerable, automatically self-directing, missile-borne antennas is described. The literature was searched and a preliminary study was made on the use of circularly polarized antennas for produc ing the necessary phase shifts required in the lobing of antenna arrays. Helical antennas were used first in tests around 5,000 mc in an effort to determine the phasing characteristics and feasibility of circularly polarized antennas. Next, a cavity-backed Archimedean spiral antenna and balun were designed and fabricated for 5,000 mc operation. A logarithmic spiral antenna was also designed and fabricated for use in the developmental antenna tests. The spiral antennas were fabricated from copper clad board by printed circuit etching techniques. Some of the problems encountered during laboratory tests were balun unbalance, radiation from the balun and the detrimental effects of the reflected wave when using cavities. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 09, 1963
- Accession Number
- AD0426932
Entities
People
- James E. Howell
Organizations
- United States Army Aviation and Missile Command