Analysis of electromagnetic transmission characteristics of square loop frequency selective fabrics with different layers

Guan, Fuwang; Li, Dan; Li, Jiashuang; Lei, Yutian; Yang, Zhuli; Li, Zhaole; Yuan, Tao

doi:10.1177/00405175221101178

Cited by 1 publication

(2 citation statements)

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“…The emergence of FSFs has filled the gap in the field of FSS products with light weight, softness and low bending stiffness. 14,15 The electromagnetic transmission characteristics of FSFs will be affected by many factors, such as the conductivity and size of the array unit, the dielectric parameters of the substrate fabric, etc. And the unit structure type of FSS is very important for the frequency response characteristics of the absorbing material.…”

Section: Introductionmentioning

confidence: 99%

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Preparation and characterization of Y-shaped fractal frequency selective fabric

Li,

Guan

et al. 2023

Journal of Industrial Textiles

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In order to explore the electromagnetic transmission performance of frequency selective fabrics (FSFs) with fractal units, six samples of Y-shaped fractal parameters with different sizes were prepared by computer embroidery technology, and tested using anechoic chamber test method. The effects of unit type, polarization mode, incident angle and unit size parameters on the transmission performance of different samples were respectively analyzed in depth. The results show that for the aperture type and patch type FSFs, the incident angle has a certain influence. When the incident angle of the two groups of samples is 0°, the resonance peak is the largest. When the incident angle increases to 45°, there are two resonance peaks of different amplitudes in the range of 4 GHz ∼ 20 GHz. The size and spacing of the unit pattern have both visible effects on the transmission coefficient, but the former has a greater impact on the transmission coefficient. There is a certain tension and contraction between the base fabrics during the preparation of the flexible FSFs, which are controlled to make the sample size more accurate. In addition, in order to reduce the calculation time and improve the design efficiency, two kinds of patch type and aperture type with the same size were simulated and optimized using HFSS algorithm. Comparison of measured and simulated results verify the effectiveness of simulation design.

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Section: Introductionmentioning

confidence: 99%

“…The emergence of FSFs has filled the gap in the field of FSS products with light weight, softness and low bending stiffness. 14,15…”

Section: Introductionmentioning

confidence: 99%