Multiple mode broadband ridged horn antenna
First Claim
1. An antenna system comprising a ridged horn antenna having at least five ridges.
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Accused Products
Abstract
A ridged horn antenna that is designed to operate simultaneously in multiple modes with improved efficiency and higher gain. In one embodiment, the antenna has at least five ridges (e.g., eight ridges). Preferably, each ridge is independently fed by a feedline (e.g., coaxial cable). In order to match impedances better, the feedlines can be tapered from an uncoupled state to a highly coupled state. A beamforming network having a plurality of ports can be coupled to the feedlines. Preferably, the beamforming network is designed to provide multiple progressive phase relationships to the ridges through the coupled feedlines for simultaneous multiple operating modes.
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Citations
22 Claims
- 1. An antenna system comprising a ridged horn antenna having at least five ridges.
- 11. A ridged horn antenna having at least two opposing ridges and wherein each of the opposing ridges is individually fed by a feedline.
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16. A method of transmitting a signal using a ridged horn antenna having at least a first and second opposing ridges, the method comprising:
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exciting the first ridge with a first voltage; and
exciting the second ridge with a second voltage in phase with the first signal. - View Dependent Claims (17, 18)
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19. A method of receiving a signal using a ridged horn antenna having at least five ridges, the method comprising:
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exciting the ridges in a first operational mode; and
exciting the ridges in a second operational mode different than the first operational mode. - View Dependent Claims (20, 21, 22)
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Specification