Umbrella type unfolded reticular antenna
A mesh and antenna technology, applied in the field of spaceborne synthetic aperture radar system, to achieve the effect of high efficiency, light weight, and small volume
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[0030] The umbrella-type expandable mesh antenna of the present invention is mainly composed of two parts, one is an umbrella-type expandable mesh reflector, and the other is a multi-beam feed source composed of multiple horns. Wherein, the mesh reflector is mainly composed of a central solid reflective surface, radial ribs and reflective wire mesh laid on the radial ribs. The multi-beam feed is mainly composed of waveguide support rods, horn arrays and special-shaped waveguides.
[0031] The overall structure of the umbrella-type deployable mesh antenna of the present invention is:
[0032] A central solid reflective surface, several radial ribs and several waveguide support rods are fixed on the hub-type base; the radial ribs are connected with the hub-type base by a hinge mechanism, and are evenly distributed around the central solid reflective surface; wedge-shaped The grooved pressing block is fixed on the radial rib, and the ring-shaped pressing rope is located in the g...
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