Ultra-wideband conical logarithm helical antenna
The invention relates to the technical field of antennas, and discloses an ultra-wideband conical logarithm helical antenna. The antenna comprises a plastic shell, a first helical antenna and a secondhelical antenna, the plastic shell comprises a first end surface and a second end surface, a metal r...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to the technical field of antennas, and discloses an ultra-wideband conical logarithm helical antenna. The antenna comprises a plastic shell, a first helical antenna and a secondhelical antenna, the plastic shell comprises a first end surface and a second end surface, a metal reflecting plate is fixed on the second end surface, and the reflecting surface of the metal reflecting plate faces the first end surface; and an SMA interface is fixedly connected to the metal reflecting plate, a cross section of the plastic shell is gradually reduced from the first end surface tothe second end surface, and the metal reflecting plate is arranged and can reflect radiation generated by the first helical antenna and the second helical antenna towards the second end surface so that the directional radiation characteristics of the first helical antenna and the second helical antenna are good. Through the arrangement of a dielectric plate, a microstrip line and a ground line, amicrostrip balun structure |
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