Elliptical double-sided dipole antenna for vehicle-mounted digital television

A dipole antenna, digital TV technology, applied in the direction of antenna, loop antenna, circuit, etc., can solve the problems of narrow working frequency band, less than ideal bandwidth, and few signal channels
CN101982901AInactive Publication Date: 2011-03-02XIAMEN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XIAMEN UNIV
Publication Date
2011-03-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an elliptical double-sided dipole antenna for a vehicle-mounted digital television, in particular to a dipole antenna. The elliptical double-sided dipole antenna for the vehicle-mounted digital television has the characteristics of small size, large bandwidth, lower return loss, high gain, high radiation efficiency, simple structure and omnidirectional radiation and is provided with a double-sided copper-applying medium substrate and two symmetrical and same elliptical dipole radiation units, wherein the elliptical dipole radiation units are respectively etched on both sides of the double-sided copper-applying medium substrate; each element of a dipole adopts a big and a small elliptical rings; the small elliptical ring is placed in the middle of the big elliptical ring; the big and the small elliptical rings are connected through an extended line of a feeder line; the extended line is a micro-strip line; and the micro-strip line is formed by a pair of symmetrical rectangular micro-strip lines.
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Description

Technical field

[0001] The invention relates to a dipole antenna, in particular to an elliptical double-sided dipole antenna used for vehicle-mounted digital television. Background technique

[0002] At present, with the rapid development of wireless mobile communication technology, in-vehicle digital TV technology is gradually established and developed, and has gradually received widespread attention from the domestic and foreign industries. As a brand-new mass media, the in-vehicle digital TV technology is mainly through wireless transmission. It can be widely used in various public places such as buses, taxis, subway stations, trains and airports. The DVB organization (Digital Video Broadcasting Industry Organization) published the DVB-H standard specifically for the transmission system for receiving digital TV on the move. This standard not only overcomes the limitations and power consumption of the previous DVB-T standard for receiving terrestrial digital TV on the move It ...

Claims

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