Wideband jean antenna with bending structure for microwave imaging applications

In this paper, a wideband jean antenna with bending structure for flexible microwave imaging applications is presented. Coplanar waveguide (CPW) feeding structure with Koch shape ground slotted technique has been implemented for widening the bandwidth. The design evolution process of the proposed an...

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Main Authors: Yahya, R., Kamarudin, M. R., Seman, N., Moradikordalivand, A.
Format: Article
Language:English
Published: Penerbit UTM Press 2016
Subjects:
Online Access:http://eprints.utm.my/74530/1/RoshayatiYahya2016_WidebandJeanAntennawithBendingStructure.pdf
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author Yahya, R.
Kamarudin, M. R.
Seman, N.
Moradikordalivand, A.
author_facet Yahya, R.
Kamarudin, M. R.
Seman, N.
Moradikordalivand, A.
author_sort Yahya, R.
collection ePrints
description In this paper, a wideband jean antenna with bending structure for flexible microwave imaging applications is presented. Coplanar waveguide (CPW) feeding structure with Koch shape ground slotted technique has been implemented for widening the bandwidth. The design evolution process of the proposed antenna is started from a simple CPW-fed monopole antenna to bending circumstance. The proposed antennas under normal condition, bending circumstance and as well as on-arm bending effect are simulated and optimized using CST microwave studio software and fabricated; also tested so as to validate the results. Under normal condition, the antenna provides measured bandwidth of 4500 MHz (1.5-6 GHz) in the case of |S11|≤−10 dB while 4360 MHz (1.44-5.8 GHz) for the measured bandwidth under bending circumstance is obtained. Also, there is a slight degradation on the reflection coefficient of the antenna under on-arm bending so that measured bandwidth became narrower with operating frequency of 3800 MHz (2.2-6 GHz). The measured gain of the antenna fluctuates between 2.5-5.6 dBi and 1.5-2.8 dBi with quasi-omnidirectional pattern within the expected frequency band for normal and bending condition, respectively. The proposed antenna provides a good performance in terms of its reflection coefficient and radiation characteristics. Therefore, due to insensitiveness to bending and body effect, the proposed antenna has become good candidate for microwave imaging applications.
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spelling utm.eprints-745302017-11-22T12:07:41Z http://eprints.utm.my/74530/ Wideband jean antenna with bending structure for microwave imaging applications Yahya, R. Kamarudin, M. R. Seman, N. Moradikordalivand, A. TK Electrical engineering. Electronics Nuclear engineering In this paper, a wideband jean antenna with bending structure for flexible microwave imaging applications is presented. Coplanar waveguide (CPW) feeding structure with Koch shape ground slotted technique has been implemented for widening the bandwidth. The design evolution process of the proposed antenna is started from a simple CPW-fed monopole antenna to bending circumstance. The proposed antennas under normal condition, bending circumstance and as well as on-arm bending effect are simulated and optimized using CST microwave studio software and fabricated; also tested so as to validate the results. Under normal condition, the antenna provides measured bandwidth of 4500 MHz (1.5-6 GHz) in the case of |S11|≤−10 dB while 4360 MHz (1.44-5.8 GHz) for the measured bandwidth under bending circumstance is obtained. Also, there is a slight degradation on the reflection coefficient of the antenna under on-arm bending so that measured bandwidth became narrower with operating frequency of 3800 MHz (2.2-6 GHz). The measured gain of the antenna fluctuates between 2.5-5.6 dBi and 1.5-2.8 dBi with quasi-omnidirectional pattern within the expected frequency band for normal and bending condition, respectively. The proposed antenna provides a good performance in terms of its reflection coefficient and radiation characteristics. Therefore, due to insensitiveness to bending and body effect, the proposed antenna has become good candidate for microwave imaging applications. Penerbit UTM Press 2016 Article PeerReviewed application/pdf en http://eprints.utm.my/74530/1/RoshayatiYahya2016_WidebandJeanAntennawithBendingStructure.pdf Yahya, R. and Kamarudin, M. R. and Seman, N. and Moradikordalivand, A. (2016) Wideband jean antenna with bending structure for microwave imaging applications. Jurnal Teknologi, 78 (6-2). pp. 57-63. ISSN 0127-9696 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84973342002&doi=10.11113%2fjt.v78.8893&partnerID=40&md5=7b92dc47487c974b9915944eb42b03d9
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Yahya, R.
Kamarudin, M. R.
Seman, N.
Moradikordalivand, A.
Wideband jean antenna with bending structure for microwave imaging applications
title Wideband jean antenna with bending structure for microwave imaging applications
title_full Wideband jean antenna with bending structure for microwave imaging applications
title_fullStr Wideband jean antenna with bending structure for microwave imaging applications
title_full_unstemmed Wideband jean antenna with bending structure for microwave imaging applications
title_short Wideband jean antenna with bending structure for microwave imaging applications
title_sort wideband jean antenna with bending structure for microwave imaging applications
topic TK Electrical engineering. Electronics Nuclear engineering
url http://eprints.utm.my/74530/1/RoshayatiYahya2016_WidebandJeanAntennawithBendingStructure.pdf
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AT kamarudinmr widebandjeanantennawithbendingstructureformicrowaveimagingapplications
AT semann widebandjeanantennawithbendingstructureformicrowaveimagingapplications
AT moradikordalivanda widebandjeanantennawithbendingstructureformicrowaveimagingapplications