Narrow-band frequency selective fabrics: simulation and experiment results

In this paper, frequency selective fabrics (FSFs) with narrow-band transmission characteristics were proposed. The square-ring FSF was taken as an instance to illustrate the design principle. Based on the existing theoretical basis and by means of software simulation and optimization, the optimum st...

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Bibliographic Details
Published in:Textile research journal 2019-10, Vol.89 (19-20), p.4272-4281
Main Authors: Guan, Fuwang, Li, Zhaole, Yang, Zhuli, Zhang, Chuyang, Qiu, Yiping
Format: Article
Language:English
Subjects:
Algorithms
Anechoic chambers
Computer programs
Computer simulation
Design
Fabrics
Optimization
Product design
Program verification (computers)
Simulation
Software
Structural models
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Summary:In this paper, frequency selective fabrics (FSFs) with narrow-band transmission characteristics were proposed. The square-ring FSF was taken as an instance to illustrate the design principle. Based on the existing theoretical basis and by means of software simulation and optimization, the optimum structures with ideal narrow-band band-stop or band-pass characteristics were obtained. Then, the practical specimens were manufactured through a computer-based carving process and measured using the transmission method in an anechoic chamber. Two structural models were respectively simulated using two different algorithms and the results showed very small differences, primarily verifying the effectiveness of the design methods and reasonability of the model simplification. The measured and simulated transmission characteristics of square-ring FSFs were compared and showed a high consistency, which further verified the validation of the design method. The other two kinds of FSFs, namely Jerusalem-shaped and circle/ring hybrid FSFs, were designed and measured, which showed the narrow-band frequency selective characteristics were quite ideal. This indicates that the proposed design method using simulation software may be applied to many different structures and has directive sense in the related product design and development process.
ISSN:0040-5175
1746-7748
DOI:10.1177/0040517519832844