Double-frequency and double-polarization antenna capable of operating in compass satellite navigation system and mobile third-generation (3G) network
A dual-polarized antenna and navigation system technology, applied to antenna unit combinations with different polarization directions, independent antenna unit combinations, antennas, etc., can solve problems such as immature technology, and achieve simple and compact structure, easy processing and Industrial application, the effect of reducing the area
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[0039] The present invention will be described in detail below in conjunction with the accompanying drawings, but the implementation and protection scope of the present invention are not limited thereto.
[0040] Such as figure 1 , 2a , 2b and 2c, a dual-frequency dual-polarization antenna that can work in the Beidou satellite navigation system and mobile 3G is implemented in the form of a laminated microstrip circuit, including an upper-layer microstrip antenna with an upper-layer patch 12 10. The lower layer microstrip antenna 20 with the lower layer patch 22 and the metal floor layer 30 placed on the bottom layer; the upper layer microstrip antenna 10 includes the upper layer dielectric substrate 11, the upper layer patch 12, the first feed metal for port feeding Column 13, first short-circuit metal column 14, second short-circuit metal column 15, third short-circuit metal column 16, fourth short-circuit metal column 17, fifth short-circuit metal column 18 and sixth short-...
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