A Millimeter-Wave Dual-Reflector Antenna with Near-Field Uniform Beam
A dual-reflector, millimeter-wave technology, used in antennas, waveguide horns, electrical components, etc., can solve problems such as burns, very drastic changes in power density, and inability to reach targets.
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[0016] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0017] Such as figure 1 As shown, in the dual-reflector antenna of the present invention, the central area of the main reflector of the main reflector is an approximately focused ellipsoid, and the area near the outer edge of the main reflector is a corrugated surface composed of ring-shaped convex and concave.
[0018] Such as figure 2 As shown, the millimeter-wave beam radiated by the corrugated horn feed 1 is reflected by the secondary reflector 2 to the main reflector 3, and the main reflector 3 reflects the beam again, forming the antenna aperture in front of the main reflector 3 Distribution 4. Finally, a pencil beam with uniform beam power density and beam radius is formed in the near field.
[0019] Such as image 3 As shown, the electric field amplitude distribution of the beam ...
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