Multiple phase center feedhorn for reflector antenna
US7180459B2 · kind B2 · utility
237Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2004 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Jun 18, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q25/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A feedhorn driving method and apparatus allows the establishment of multiple phase centers using only a single multimode feedhorn. At least two higher-order modes are extracted from the feedhorn and weighted in amplitude and phase. The phase center separation is established in accordance with an assigned weights. The feedhorn has application in i.a. moving target indication systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.