Novel low-profile high-gain vehicle-mounted antenna
A vehicle-mounted antenna, low-profile technology, applied in the field of antennas, can solve the problems of reducing the wind resistance of the antenna, unsatisfactory gain of the shark fin antenna, limiting the gain of the vehicle-mounted antenna, etc., and achieves the effect of wide application range and convenient installation.
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[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0025] like figure 1 As shown, the present invention includes a metal layer 1, a matching circuit 3 and an automobile metal shell 4, the metal layer 1 is placed on the automobile metal shell 4 in a vertical horizontal plane, the metal layer 1 is an isosceles trapezoid, and the opening near the top edge of the isosceles trapezoid There is an annular gap 2, the annular gap 2 extends to the top edge of the isosceles trapezoid through both sides of the rectangular through slot, so that the top edge of the isosceles trapezoid is divided into two halves, the metal layer 1 passes through the matching circuit 3 and the signal source 7. The matching circuit 3 is connected to the signal source 7 via the parallel feeder.
[0026] The parallel feeder is connected to the signal source 7 inside the car after passing through the feeder installation point on th...
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