Tri-band wide wave beam circular polarization microstrip antenna
A microstrip antenna, circularly polarized technology, used in antennas, antenna coupling, devices that make antennas work in different bands at the same time, etc. In the case of antennas with three working frequency points or more, it can achieve the effect of eliminating the need for repeated debugging, reducing the deviation of working frequency points and avoiding deviation.
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[0032] A three-band wide-beam circularly polarized microstrip antenna, comprising: a radome 1, in which a feeding network layer 12, a first dielectric layer 11, a first metal Layer 10, second metal layer 9, second dielectric layer 8, third metal layer 7, fourth metal layer 6, third dielectric layer 5, fifth metal layer 4, fourth dielectric layer 3 and sixth metal layer 2 ;
[0033] In the feed network layer 12, the first dielectric layer 11, the first metal layer 10, the second metal layer 9, the second dielectric layer 8, the third metal layer 7, the fourth metal layer 6, the third dielectric layer 5, the The central positions of the fifth metal layer 4, the fourth dielectric layer 3 and the sixth metal layer 2 are respectively provided with a first central small hole 15-1, a second central small hole 15-2, a third central small hole 15-3, and a third central small hole 15-3. 4 center holes 15-4, 5th center holes 15-5, 6th center holes 15-6, 7th center holes 15-7, 8th center...
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