Miniaturized single feed point dual-frequency and dual-polarization microstrip antenna
A microstrip antenna and dual-polarization technology, applied to antennas, devices that enable antennas to work in different bands at the same time, circuits, etc., can solve the problems of large plane occupation area and unfavorable miniaturization, achieve high and low elevation gain, and meet volume requirements and weight constraints, the effect of good axle ratio bandwidth
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[0020] The present invention will be further described below in conjunction with accompanying drawing.
[0021] see image 3 and Figure 4 , the present invention has a single feed point dual-frequency dual-polarization microstrip antenna, which includes a substrate substrate 7, and the substrate substrate 7 can be a ceramic dielectric substrate or an organic dielectric substrate. A first radiating patch 1 and a second radiating patch 2 are arranged on the upper surface of the base substrate 7 , and a conductive ground plate 8 and a coaxial radio frequency connector 9 are arranged on the lower surface of the base substrate 7 . The first radiating patch 1 , the second radiating patch 2 and the conductive ground plate 8 are made of conductive materials. The first radiation patch 1 is a square solid patch, the second radiation patch 2 is a square ring patch, the first radiation patch 1 is located in the hollow of the second radiation patch 2 and both have the same center, the f...
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