Millimeter-wave dual reflector antenna capable of focusing near-field wave beam
A dual-reflector, near-field beam technology, applied in antennas, electrical components, etc., can solve problems such as small distance range, and achieve the effects of increased distance range, increased maximum power density of the axis, and simple structure
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[0022] 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.
[0023] Such as figure 2 As shown, the system schematic diagram of the dual-reflector antenna described in the present invention, the near-field beam focusing millimeter-wave antenna system is composed of three main components: a feed source, a sub-reflector and a main reflector, and the feed is reflected by the sub-reflector After being reflected by the main reflector, the surface field distribution of the main emitter is perpendicular to the exit direction of the feed source, and the axis of the radiation beam of the surface field and the axis of the feed source can form any angle.
[0024] In this facility example, a set of near-field beam-focusing millimeter-wave antennas with an aperture of 342.4 mm is designed, which is a Cassegrain antenna. image 3 is the longitudinal profile of the a...
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