Antenna with various pattern reconfigurable characteristics
A pattern and characteristic technology, applied in the direction of antenna, antenna support/installation device, antenna grounding switch structure connection, etc., can solve the problems of limited gain, insufficient scanning accuracy, complex structure, etc., to reduce processing complexity, feed power Simple network, high gain effect
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[0016] see figure 1 , the radiation unit of the present invention uses domestic F4B substrates connected end to end to form a cylinder with a height of 57.4 mm and a diameter of 90 mm. The inner surface of the cylinder is a dielectric layer, and N=6 rectangular patch copper layers are evenly distributed on the outer surface (P 1 ,P 2 ,P 3 ,P 4 ,P 5 ,P 6 ), each rectangular patch has a height of 45 mm, a width of 35.3 mm, a distance of 6.2 mm from the bottom edge of the substrate, and a distance of 11.7 mm between two adjacent patches. Between two adjacent patches, between the patch and the upper and lower edges of the substrate, there are metal strips for grounding the PIN diode. The metal strip between the two patches is 5.5 mm wide, and the distance between the two patches is equal. The width of the metal strip between the upper and lower bottom edges of the substrate is 5.4 mm. For one of the above rectangular patches (such as P 1 ), PIN diode (PIN 11 ) is welded to...
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