Accession Number : ADD010078

Title :   Clutter and Multipath Suppressing Sidelobe Canceller Antenna System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Lewis,Bernard L

Report Date : 16 Nov 1982

Pagination or Media Count : 7

Abstract : An improved antenna and interference-cancelling system for improving signal sampling, particularly in side-lobe canceller system operating in a multiple-interference-source environment. An antenna is constructed as a circularly symmetric lens having loosely coupled feed elements disposed around the periphery of the lens. Each feed element acts as a high-azimuth-gain antenna which permits signal reception from all directions. The lens, when connected to couple the receiving feed elements to a side-lobe canceller, permits the canceller to discriminate against clutter and scattered signals and resolve interference source in angle so that all canceller loops do not receive signals from all other interference sources, while still providing interference samples from all directions.

Descriptors :   *Patents, *Suppressors, *Clutter, *Antenna feeds, *Multipath transmission, Sidelobes, Reception, Antenna components, Coupling(Interaction), Orientation(Direction), Sources, Cancellation, Circular, Gain, Scattering, Sampling, Symmetry, Antennas, Interference, Signals, Lenses, Feeding

Subject Categories : Electrical and Electronic Equipment
      Countermeasures
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE