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Inflatable film deployable parabolic antenna and acquisition method thereof

A parabolic antenna and inflatable film technology, which is applied in the field of radio communication, can solve the problems of low precision of antenna shape, irregular design process and large amount of calculation.

Active Publication Date: 2020-04-28
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides an inflatable film deployable parabolic antenna and its acquisition method, which can solve the shortcomings of the current inflatable deployable film parabolic antenna, such as low surface accuracy, non-standard design process, cumbersome design parameters, and large amount of calculation.

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  • Inflatable film deployable parabolic antenna and acquisition method thereof
  • Inflatable film deployable parabolic antenna and acquisition method thereof
  • Inflatable film deployable parabolic antenna and acquisition method thereof

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Embodiment Construction

[0047] The application describes a number of embodiments, but the description is illustrative rather than restrictive, and it will be obvious to those of ordinary skill in the art that within the scope of the embodiments described in the application, There are many more embodiments and implementations. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Except where expressly limited, any feature or element of any embodiment may be used in combination with, or substituted for, any other feature or element of any other embodiment.

[0048] This application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The disclosed embodiments, features and elements of this application can also be combined with any conventional features or elements to form unique inventive solutions as defined by the clai...

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Abstract

The invention discloses an inflatable thin film deployable parabolic antenna and an acquisition method thereof. The method comprises the following steps: acquiring an antenna parameter and a thin filmparameter of the antenna, wherein the antenna parameters comprise an antenna aperture and an antenna focal length, the film parameters comprise elasticity modulus, Poisson's ratio and film thicknessof a circular film center point and coefficients A and B of a film gradient model; calculating orthogonal anisotropy parameters of the film material according to the elastic modulus, the Poisson's ratio and the film gradient model; calculating the deflection coefficient of the antenna according to the antenna aperture and the antenna focal length; calculating a Poisson's ratio function of the antenna according to the Poisson's ratio; calculating the internal inflation pressure of the antenna according to the antenna parameters and the film parameters; and obtaining a corresponding film according to the orthotropic parameters, and inflating the film according to the internal inflation pressure to obtain the inflatable film deployable parabolic antenna. Through the scheme of the embodiment,the defects of low precision, non-standard design flow, tedious design parameters, large calculated amount and the like of the current inflatable deployable film parabolic antenna surface are overcome.

Description

technical field [0001] The application relates to radio communication technology, in particular to an air-filled thin-film deployable parabolic antenna and its realization method. Background technique [0002] With the rapid development of space applications such as space-based communication, energy transmission, satellite remote sensing, and ground reconnaissance, people's requirements for the caliber and surface accuracy of reflector antennas are increasing. Inflatable film deployable parabolic antenna is a type of parabolic antenna formed by making an internal cavity with flexible film material and filling it with inert gas and relying on air pressure to expand it. Inflatable film deployable antenna / radar has the advantages of large aperture, light weight, high folding efficiency, quick deployment, and low cost, which has become a research hotspot in the field of antenna design. However, the current design of inflatable deployable thin-film parabolic antennas has disadva...

Claims

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Application Information

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IPC IPC(8): G06F30/20H01Q1/08H01Q19/12G06F111/10
CPCH01Q1/081H01Q19/12
Inventor 刘涛邱信明张兴华
Owner TSINGHUA UNIV