Reflective Grating of Perforated Strips as a Frequency-Selective Surface
Scattering of a plane monochromatic wave by a grating of metal strips periodically perforated by rectangular apertures has been studied. It is shown that such a grating provides a resonant reflection of an incident wave. An influence of geometrical dimensions of the grating upon the frequency and th...
Збережено в:
| Дата: | 2012 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | rus |
| Опубліковано: |
Видавничий дім «Академперіодика»
2012
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| Онлайн доступ: | http://rpra-journal.org.ua/index.php/ra/article/view/456 |
| Теги: |
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| Назва журналу: | Radio physics and radio astronomy |
Репозитарії
Radio physics and radio astronomy| Резюме: | Scattering of a plane monochromatic wave by a grating of metal strips periodically perforated by rectangular apertures has been studied. It is shown that such a grating provides a resonant reflection of an incident wave. An influence of geometrical dimensions of the grating upon the frequency and the Q-factor of the reflection resonance has been considered. Spectral problem on searching the natural oscillation spectrum in the complex frequency range has been solved for a physical explanation of the reflection resonance. Numerical data for multi-layered filters with improved selectivity are presented. |
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