Circularly polarized microstrip antenna with broadband, high gain and low axial ratio
A microstrip antenna, high-gain technology, applied in antennas, resonant antennas, antenna components, etc., can solve the problems of bandwidth, gain and axial ratio can not be taken into account at the same time, to achieve stable gain in the band, low axial ratio, wide frequency bandwidth Effect
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[0018] Below in conjunction with accompanying drawing and embodiment, the present invention is further described:
[0019] according to Figure 1-Figure 6 The embodiment discloses a wide-band, high-gain, low-axis-ratio circularly polarized microstrip antenna, including a square resonant patch A1, a slot layer B1, a 1.85GHz broadband Wilkinson phase-shifting power divider B2, a metal surface reflection For the laminated structure formed by plate C, dielectric substrate A and dielectric substrate B, the dielectric substrates are all FR4 dielectric plates; the metal surface reflector C is copper plate.
[0020] The composition of the whole invention is as follows from top to bottom: square resonant patch A1, dielectric substrate A, among which, square resonant patch A1 is etched on the top layer of dielectric substrate A, gap layer B1, dielectric substrate B, 1.85GHz broadband Weir Kinsen phase-shifting power divider B2, in which the gap layer B1 is etched on the top layer of di...
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