Journal of the Korean Institute of Navigation (한국항해학회지)
- Volume 18 Issue 2
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- Pages.151-158
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- 1994
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- 1225-0481(pISSN)
Design Method of Electromagnetic Wave Absorber with Ultra Wide-Band Frequency Characteristics.
초광대역특성을 가지는 Ferrite 전파흡수체의 설계법
Abstract
A wide band design method of an electromagnetic wave absorber using exponentially tapered ferrite, which has very wide band frequency characteristics, is proposed and discussed. The wide band electroma-gnetic wave absorber can be designed by the proposed equivalent material constants method for the re-gions varying spatially in the shape of ferrite. Futhermore, the wide band ferrite electromagnetic wave absorber with taper, which have not only exce-llent reflectivity frequency characteristics but also the band width of 30MHz to 2150 or 2450MHz under the tolerance limits of -20dB reflectivity, were designed.
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