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An Optimal Design Method for Broadband Feed

An optimized design and feed technology, applied in the direction of electrical components, antennas, etc., can solve problems such as difficult to guarantee antenna performance, difficult to achieve optimal reflector antenna performance, and affect the overall performance of the antenna

Active Publication Date: 2018-01-30
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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Problems solved by technology

[0003] Since the feed has many technical indicators such as irradiation level, beam equalization, and phase center change, these indicators will comprehensively affect the overall performance of the antenna, so it is difficult to choose in the design
The reflective surface is generally designed based on Gaussian lighting, so the performance of the antenna designed in this way is difficult to guarantee optimal
Especially in the design of broadband feeds, the technical indicators describing the performance of feeds vary greatly with frequency, and it is difficult to achieve the goal of optimal performance of reflector antennas in broadband

Method used

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  • An Optimal Design Method for Broadband Feed
  • An Optimal Design Method for Broadband Feed

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Embodiment Construction

[0020] refer to figure 1 , figure 2 A method for optimizing the design of a broadband feed is characterized in that it comprises the following steps:

[0021] (1) Select the design parameters of the broadband feed as optimization variables, and give the initial values ​​of these design parameters;

[0022] The corrugated horn is selected as the optimal design object. The design parameters of the broadband feed in step (1) include the corrugated groove form, quantity, groove depth, groove width, the inner wall curve of the horn, and the size of the input and output ports. The groove depth and groove width are selected as the optimal design objects, and the rest of the design parameters are taken as fixed values. As the optimal design object, each design parameter selects N values ​​as the initial value of the design parameter to form N groups of initial design parameters to form an initial design parameter population; wherein, a certain initial design parameter value in each...

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Abstract

The invention relates to an optimal design method of a broadband feed source, which is characterized in that: the optimal design method of a broadband feed source breaks through the idea of ​​using the irradiation angle and irradiation level as the reflection surface and the interface of the feed source in the general method to design , the feed is substituted into a specific reflector antenna system for design, and the gain or G / T value of the reflector antenna is used as the evaluation standard. Therefore, it fundamentally solves the balance problem among multiple performance indicators in the previous feed source design, and realizes the optimal performance of the antenna in a wide frequency band. It is suitable for the design of various reflector antenna broadband feed sources.

Description

technical field [0001] The invention discloses a method for optimizing the design of a broadband feed source, which breaks through the idea of ​​using the irradiation angle and irradiation level as the reflective surface in the design of the feed source interface in the general method, and substitutes the feed source into a specific reflective surface antenna system. Design, take the gain or G / T value of the reflector antenna as the evaluation standard. Therefore, it fundamentally solves the balance problem among multiple performance indicators in the previous feed source design, and realizes the optimal performance of the antenna in a wide frequency band. It is suitable for the design of various reflector antenna broadband feed sources. Background technique [0002] The reflector antenna is the most important high-gain antenna, which has been widely used in satellite communication, navigation, deep space exploration, radio astronomy and other fields. The reflector antenna ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q19/10H01Q15/14
CPCH01Q15/14H01Q15/141H01Q19/10
Inventor 伍洋解磊杜彪银秋华
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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