Abstract
The article presents the results of a study of the characteristics of a space parabolic mirror with a deployable reflector. A model of the reflector truss structure formed by two asymmetric parabolic networks with tension cables is presented. Three variants of the sparse structure of the reflecting film of the reflector are presented, differing in periodically repeating hexagonal holes with different sizes. A complex electrodynamic modeling of the radiation characteristics of a parabolic mirror antenna with a developed model of a truss-bearing structure and the proposed structures of reflective films, allowing to reduce the mass of the reflector and increase the reliability of the antenna system, are carried out. The estimation of the frequency dependences of the characteristics of the variants of the parabolic mirror antenna model is given. Recommendations on the use of sparse reflective films for small, medium and large apertures of deployable reflectors are proposed.
Publisher
Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences
Subject
General Earth and Planetary Sciences,General Environmental Science
Cited by
2 articles.
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1. Novel MoM-Based Approaches for Generating Wire-Grid Sparse Antenna Structures;2023 IEEE 24th International Conference of Young Professionals in Electron Devices and Materials (EDM);2023-06-29
2. Wire Grid Sparse Antennas: Verification of a Modified Modeling Approach;2023 IEEE Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT);2023-05-15