Time-delayed directional beam phased array antenna
Patent
·
OSTI ID:1175090
An antenna comprising a phased array of quadrifilar helix or other multifilar antenna elements and a time-delaying feed network adapted to feed the elements. The feed network can employ a plurality of coaxial cables that physically bridge a microstrip feed circuitry to feed power signals to the elements. The cables provide an incremental time delay which is related to their physical lengths, such that replacing cables having a first set of lengths with cables having a second set of lengths functions to change the time delay and shift or steer the antenna's main beam. Alternatively, the coaxial cables may be replaced with a programmable signal processor unit adapted to introduce the time delay using signal processing techniques applied to the power signals.
- Research Organization:
- Kansas City Plant (KCP), Kansas City, MO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-01AL66850
- Assignee:
- Honeywell Federal Manufacturing & Technologies, LLC (Kansas City, MO)
- Patent Number(s):
- 6,806,845
- Application Number:
- 10/342,581
- OSTI ID:
- 1175090
- Country of Publication:
- United States
- Language:
- English
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