Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell

Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell

The resonant scattering of electromagnetic plane wave on a perforated screen with circular below-cutoff holes in a periodic cell is investigated. Several holes on a period are found to qualitatively change the screen frequency response. Along with the total transmission of the exciting field in a on...

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Date:2012
Main Authors: Kirilenko, A. A., Perov, A. O., Senkevich, S. L.
Format: Article
Language:Russian
Published: Видавничий дім «Академперіодика» 2012
Online Access:http://rpra-journal.org.ua/index.php/ra/article/view/531
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Journal Title:Radio physics and radio astronomy

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Radio physics and radio astronomy
id rpra-journalorgua-article-531
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spelling rpra-journalorgua-article-5312013-02-18T00:11:38Z Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell Резонансные свойства перфорированного экрана с двумя запредельными круглыми отверстиями различного диаметра в периодической ячейке Kirilenko, A. A. Perov, A. O. Senkevich, S. L. The resonant scattering of electromagnetic plane wave on a perforated screen with circular below-cutoff holes in a periodic cell is investigated. Several holes on a period are found to qualitatively change the screen frequency response. Along with the total transmission of the exciting field in a one wave frequency bandwidth, the total reflection mode is also possible. To explain the nature of such behavior, the perforated screen is considered as an open periodic resonator, and its eigenoscillations are analyzed. On the strength of symmetry principles, the general peculiarities of spectra formation for regular periodic structures are determined, the existence of real valued eigenfrequencies converging to zero frequency being particularly found. The oscillations determining the resonance behavior are found too, their space pattern studied. Исследованы режимы резонансного рассеяния плоской электромагнитной волны на перфорированном экране с двумя круглыми запредельными отверстиями в периодической ячейке. Обнаружено, что наличие нескольких апертур на периоде качественно изменяет АЧХ экрана. Наряду с режимом полного прохождения поля возбуждения в одноволновом диапазоне возможна реализация режима полного отражения. Для объяснения природы последнего исследованы собственные колебания экрана как открытой структуры – периодического резонатора. Исходя из законов симметрии установлены общие принципы формирования спектра регулярных периодических структур и, в частности, существование реальных собственных частот, сгущающихся к нулевой частоте. Выявлены колебания, определяющие резонансное поведение, и исследована их пространственная структура. Видавничий дім «Академперіодика» 2012-12-09 Article Article application/pdf http://rpra-journal.org.ua/index.php/ra/article/view/531 РАДИОФИЗИКА И РАДИОАСТРОНОМИЯ; Vol 14, No 1 (2009); 45 RADIO PHYSICS AND RADIO ASTRONOMY; Vol 14, No 1 (2009); 45 РАДІОФІЗИКА І РАДІОАСТРОНОМІЯ; Vol 14, No 1 (2009); 45 2415-7007 1027-9636 ru http://rpra-journal.org.ua/index.php/ra/article/view/531/96
institution Radio physics and radio astronomy
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datestamp_date 2013-02-18T00:11:38Z
collection OJS
language Russian
format Article
author Kirilenko, A. A.
Perov, A. O.
Senkevich, S. L.
spellingShingle Kirilenko, A. A.
Perov, A. O.
Senkevich, S. L.
Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell
author_facet Kirilenko, A. A.
Perov, A. O.
Senkevich, S. L.
author_sort Kirilenko, A. A.
title Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell
title_short Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell
title_full Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell
title_fullStr Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell
title_full_unstemmed Resonant Properties of Perforated Screen with Two Circiular Below-Cutoff Holes of Different Diameter in Periodic Cell
title_sort resonant properties of perforated screen with two circiular below-cutoff holes of different diameter in periodic cell
title_alt Резонансные свойства перфорированного экрана с двумя запредельными круглыми отверстиями различного диаметра в периодической ячейке
description The resonant scattering of electromagnetic plane wave on a perforated screen with circular below-cutoff holes in a periodic cell is investigated. Several holes on a period are found to qualitatively change the screen frequency response. Along with the total transmission of the exciting field in a one wave frequency bandwidth, the total reflection mode is also possible. To explain the nature of such behavior, the perforated screen is considered as an open periodic resonator, and its eigenoscillations are analyzed. On the strength of symmetry principles, the general peculiarities of spectra formation for regular periodic structures are determined, the existence of real valued eigenfrequencies converging to zero frequency being particularly found. The oscillations determining the resonance behavior are found too, their space pattern studied.
publisher Видавничий дім «Академперіодика»
publishDate 2012
url http://rpra-journal.org.ua/index.php/ra/article/view/531
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first_indexed 2025-12-02T15:51:03Z
last_indexed 2025-12-02T15:51:03Z
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