COAXIAL HELICAL ANTENNA
A coaxial helical antenna for transmitting or receiving information through electromagnetic waves includes a first helical antenna comprising a first helix comprising a first diameter and a center cavity; a second helical antenna comprising a second helix comprising a second diameter, wherein the se...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A coaxial helical antenna for transmitting or receiving information through electromagnetic waves includes a first helical antenna comprising a first helix comprising a first diameter and a center cavity; a second helical antenna comprising a second helix comprising a second diameter, wherein the second diameter is smaller than the first diameter, and wherein the second helical antenna is seated within the center cavity of the first helical antenna; a shaped ground plate coupled to the first helical antenna and the second helical antenna; and two microstrip impedance transformers coupled to the first helical antenna, the second helical antenna, and the shaped ground plate. |
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