A Fan-beam Horizontal Scanning Antenna Using Monopole Feed
A fan-shaped beam and horizontal scanning technology, applied in the direction of antenna, antenna grounding switch structure connection, electrical components, etc., can solve the problems of unstable support, expensive manufacturing, complex structure, etc., and achieve easy processing, simple structure, and small size Effect
Active Publication Date: 2020-07-24
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, provide a fan-shaped beam horizontal scanning antenna fed by monopole, and solve the problem that the existing scanning antenna usually has a complex structure, expensive manufacturing, and unstable support Waiting question
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[0028] The embodiments of the present invention will be described below in conjunction with the accompanying drawings of the specification.
[0029] Such as figure 1 As shown, the present invention designs a sector-beam horizontal scanning antenna fed by monopoles, which includes two metal plates 1, a feed antenna composed of two monopole antennas 2, a reflecting surface 3, and a transition structure 4. And the supporting structure 5, wherein the two metal plates 1 are placed in parallel, the feed antenna 2 and the reflective surface 3 are both set between the two metal plates 1 placed in parallel, and the feed antenna 2 and the reflective surface 3 are located on the metal plate The two ends of the transition structure 4 are opposite to each other; one end of the transition structure 4 is fixedly connected to one end of the metal plate 1, and the other end of the transition structure 4 extends to the free space; the support structure 5 is composed of two metal plates 1 The two s...
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The invention discloses a fan-shaped beam horizontal scanning antenna adopting monopole feeding, which comprises two metal plates (1), a feed antenna (2) composed of two monopole antennas, a reflecting surface (3), The transition structure (4) and the supporting structure (5), wherein the feed antenna (2) and the reflection surface (3) are both arranged between two metal plates (1) placed in parallel, and the feed antenna (2) and the reflection surface The surface (3) is located at opposite ends of the metal plate (1); one end of the transition structure (4) is fixedly connected to one end of the metal plate (1), and the other end of the transition structure (4) extends toward the free space ; The support structure (5) is composed of metal cylinders arranged on both sides of the two metal plates (1) to support the two metal plates. The invention can realize the horizontal scanning function of the fan-shaped beam, and has small size, low production cost, greatly reduced cost, concentrated energy and superior performance.
Description
Technical field [0001] The invention relates to a sector beam horizontal scanning antenna using monopole feeding, and belongs to the technical field of radio frequency antennas. Background technique [0002] The monopole-fed sector beam horizontal scanning antenna enables the entire system to achieve sector beams and finally realize the horizontal scanning function, and has the characteristics of small size, concentrated energy and superior performance. It is widely used in radar and long-range microwave communication. System and other fields. [0003] At present, the existing scanning antennas usually have disadvantages such as complicated structure, expensive manufacturing, and unstable support. Summary of the invention [0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a sector beam horizontal scanning antenna fed by monopole, which solves the problem that the existing scanning antenna usually has a c...
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IPC IPC(8): H01Q1/36H01Q1/50H01Q15/16
CPCH01Q1/36H01Q1/50H01Q15/16
Inventor 金秀华施玲玲黄晓东
Owner NANJING UNIV OF POSTS & TELECOMM