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Radio Antenna With Reduced Interference

技術優勢: Minimizes thermal background noise and low radio frequency interferenceModification does not intercept desired signals

技術應用: Radio communications especially broadband astronomyCommercial satellite dish technology

*Abstract: The performance of radio antennas can be degraded from interference caused by thermal radiation as well as signals traveling along the ground and reflected by the ground.

To minimize these sources of interference, researchers at UC Berkeley have developed design enhancements for radio antennas. These refinements minimize thermal background noise as well as low radio frequency interference, and they don?t intercept radiation along the symmetry axis of the antenna, or any rays that reach the feed (detector).

附加資料: Patent Number: US7471255B2
Application Number: US2006472800A
Inventor: Welch, William J.
Priority Date: 23 Jun 2005
Priority Number: US7471255B2
Application Date: 22 Jun 2006
Publication Date: 30 Dec 2008
IPC Current: H01Q001300 | H01Q001514
US Class: 343781CA | 343781P | 343912
Assignee Applicant: The Regents of the University of California
Title: Antenna with reduced interference
Usefulness: Antenna with reduced interference
Summary: For use in radio astronomy.
Novelty: Offset Gregorian antenna for use in radio astronomy, has shroud partially surrounding feed antenna, between paraboloidal reflector and ellipsoidal reflector and opposite to optical axis of paraboloidal reflector

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