High-gain differential dual-polarized dielectric patch antenna based on high-order mode
A patch antenna, high-gain technology, used in antennas, resonant antennas, electrical short antennas, etc., can solve the problem of rare dielectric patch antennas, achieve high gain, expand bandwidth, and reduce input impedance.
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[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0020] Such as Figure 1 to Figure 3 As shown, the high-gain differential dual-polarized dielectric patch antenna based on the high-order mode in this embodiment includes a square lower dielectric substrate 5, a metal reflective floor 4, an upper dielectric substrate 3 and a dielectric patch that are stacked sequentially from bottom to top. slice 1. In this example, dielectric patch 1 is a square ceramic patch with a dielectric constant of ε r2 = 90, loss tangent tanδ = 7×10 -4 , with a volume of w d x w d x h d . The dielectric patch is located at the center of the upper dielectric substrate 2, and the shape of the dielectric patch 1 is symmetrical along the two polarization directions of the antenna. In addition, the dielectric patch 1 may also be circular. The dielectric substrate used is Rogers RO4003, the dielectric constant...
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