Absorption performance investigating of power function shaped absorber

Ibrahim Catalkaya; Sedef Kent

doi:10.1109/RAST.2017.8003003

Absorption performance investigating of power function shaped absorber

Ibrahim Catalkaya, Sedef Kent

Department of Electronics and Communication Engineering

Istanbul Technical University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Abstract

EMC / EMI measurements, which also required for spacecraft on-orbit, are performed inside of anechoic chamber via using microwave absorbers. Wedge and pyramidal type absorbers are popular type of broadband absorbers to cover inside of chamber along its wall, ceiling and floor. The amount of absorbed energy of incident EM wave is related to the shape of absorber. Alternative absorber shapes can be investigated to improve absorption performance of absorbers and provide accuracy of measurements. In this study, a power function shaped absorber geometry is defined as a singly periodic microwave absorber similar to wedge type absorber. Reflection characteristic of power function shaped absorber is presented. Absorber is analyzed by using Periodic Moment Method (PMM). 2 10 GHz frequency band is considered for reflection value calculations of absorbers. TM mode normal incidence case electromagnetic waves are employed for the calculations within the 2-10 GHz frequency band. Bistatic pattern characteristics of absorber at 2, 4 and 6 GHz are presented. Investigating alternative absorber geometry is an important contribution of the study.

Original language	English
Title of host publication	Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017
Editors	M.F. Unal, A. Hacioglu, M.S. Yildiz, O. Altan, M. Yorukoglu
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	449-451
Number of pages	3
ISBN (Electronic)	9781538616031
DOIs	https://doi.org/10.1109/RAST.2017.8003003
Publication status	Published - 4 Aug 2017
Event	8th International Conference on Recent Advances in Space Technologies, RAST 2017 - Istanbul, Turkey Duration: 19 Jun 2017 → 22 Jun 2017

Publication series

Name	Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017

Conference

Conference	8th International Conference on Recent Advances in Space Technologies, RAST 2017
Country/Territory	Turkey
City	Istanbul
Period	19/06/17 → 22/06/17

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

Funding

ACKNOWLEDGMENT This research has been supported by the Istanbul Technical University BAP Foundation, project number 36033.

Funders	Funder number
Istanbul Technical University BAP Foundation	36033

Keywords

anechoic chamber
electromagnetic scattering
electromagnetic wave absorption
microwave absorber
periodic moment method
periodic structures

Access to Document

10.1109/RAST.2017.8003003

Cite this

Catalkaya, I., & Kent, S. (2017). Absorption performance investigating of power function shaped absorber. In M. F. Unal, A. Hacioglu, M. S. Yildiz, O. Altan, & M. Yorukoglu (Eds.), Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017 (pp. 449-451). Article 8003003 (Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/RAST.2017.8003003

Catalkaya, Ibrahim ; Kent, Sedef. / Absorption performance investigating of power function shaped absorber. Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017. editor / M.F. Unal ; A. Hacioglu ; M.S. Yildiz ; O. Altan ; M. Yorukoglu. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 449-451 (Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017).

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title = "Absorption performance investigating of power function shaped absorber",

abstract = "EMC / EMI measurements, which also required for spacecraft on-orbit, are performed inside of anechoic chamber via using microwave absorbers. Wedge and pyramidal type absorbers are popular type of broadband absorbers to cover inside of chamber along its wall, ceiling and floor. The amount of absorbed energy of incident EM wave is related to the shape of absorber. Alternative absorber shapes can be investigated to improve absorption performance of absorbers and provide accuracy of measurements. In this study, a power function shaped absorber geometry is defined as a singly periodic microwave absorber similar to wedge type absorber. Reflection characteristic of power function shaped absorber is presented. Absorber is analyzed by using Periodic Moment Method (PMM). 2 10 GHz frequency band is considered for reflection value calculations of absorbers. TM mode normal incidence case electromagnetic waves are employed for the calculations within the 2-10 GHz frequency band. Bistatic pattern characteristics of absorber at 2, 4 and 6 GHz are presented. Investigating alternative absorber geometry is an important contribution of the study.",

keywords = "anechoic chamber, electromagnetic scattering, electromagnetic wave absorption, microwave absorber, periodic moment method, periodic structures",

author = "Ibrahim Catalkaya and Sedef Kent",

note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 8th International Conference on Recent Advances in Space Technologies, RAST 2017 ; Conference date: 19-06-2017 Through 22-06-2017",

year = "2017",

month = aug,

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doi = "10.1109/RAST.2017.8003003",

language = "English",

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Catalkaya, I & Kent, S 2017, Absorption performance investigating of power function shaped absorber. in MF Unal, A Hacioglu, MS Yildiz, O Altan & M Yorukoglu (eds), Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017., 8003003, Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017, Institute of Electrical and Electronics Engineers Inc., pp. 449-451, 8th International Conference on Recent Advances in Space Technologies, RAST 2017, Istanbul, Turkey, 19/06/17. https://doi.org/10.1109/RAST.2017.8003003

Absorption performance investigating of power function shaped absorber. / Catalkaya, Ibrahim; Kent, Sedef.
Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017. ed. / M.F. Unal; A. Hacioglu; M.S. Yildiz; O. Altan; M. Yorukoglu. Institute of Electrical and Electronics Engineers Inc., 2017. p. 449-451 8003003 (Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Kent, Sedef

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AB - EMC / EMI measurements, which also required for spacecraft on-orbit, are performed inside of anechoic chamber via using microwave absorbers. Wedge and pyramidal type absorbers are popular type of broadband absorbers to cover inside of chamber along its wall, ceiling and floor. The amount of absorbed energy of incident EM wave is related to the shape of absorber. Alternative absorber shapes can be investigated to improve absorption performance of absorbers and provide accuracy of measurements. In this study, a power function shaped absorber geometry is defined as a singly periodic microwave absorber similar to wedge type absorber. Reflection characteristic of power function shaped absorber is presented. Absorber is analyzed by using Periodic Moment Method (PMM). 2 10 GHz frequency band is considered for reflection value calculations of absorbers. TM mode normal incidence case electromagnetic waves are employed for the calculations within the 2-10 GHz frequency band. Bistatic pattern characteristics of absorber at 2, 4 and 6 GHz are presented. Investigating alternative absorber geometry is an important contribution of the study.

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KW - electromagnetic wave absorption

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A2 - Yorukoglu, M.

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 8th International Conference on Recent Advances in Space Technologies, RAST 2017

Y2 - 19 June 2017 through 22 June 2017

ER -

Catalkaya I, Kent S. Absorption performance investigating of power function shaped absorber. In Unal MF, Hacioglu A, Yildiz MS, Altan O, Yorukoglu M, editors, Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017. Institute of Electrical and Electronics Engineers Inc. 2017. p. 449-451. 8003003. (Proceedings of 8th International Conference on Recent Advances in Space Technologies, RAST 2017). doi: 10.1109/RAST.2017.8003003

Absorption performance investigating of power function shaped absorber

Abstract

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Keywords

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