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Haraz, O. (2013). NUMERICAL INVESTIGATIONS OF NOVEL HIGH-GAIN CIRCULARLY-POLARIZED HYBRID ANTENNA FOR MILLIMETER-WAVE DETECTION AND IMAGING APPLICATIONS. JES. Journal of Engineering Sciences, 41(No 3), 1078-1100. doi: 10.21608/jesaun.2013.114782
O. M. Haraz. "NUMERICAL INVESTIGATIONS OF NOVEL HIGH-GAIN CIRCULARLY-POLARIZED HYBRID ANTENNA FOR MILLIMETER-WAVE DETECTION AND IMAGING APPLICATIONS". JES. Journal of Engineering Sciences, 41, No 3, 2013, 1078-1100. doi: 10.21608/jesaun.2013.114782
Haraz, O. (2013). 'NUMERICAL INVESTIGATIONS OF NOVEL HIGH-GAIN CIRCULARLY-POLARIZED HYBRID ANTENNA FOR MILLIMETER-WAVE DETECTION AND IMAGING APPLICATIONS', JES. Journal of Engineering Sciences, 41(No 3), pp. 1078-1100. doi: 10.21608/jesaun.2013.114782
Haraz, O. NUMERICAL INVESTIGATIONS OF NOVEL HIGH-GAIN CIRCULARLY-POLARIZED HYBRID ANTENNA FOR MILLIMETER-WAVE DETECTION AND IMAGING APPLICATIONS. JES. Journal of Engineering Sciences, 2013; 41(No 3): 1078-1100. doi: 10.21608/jesaun.2013.114782

NUMERICAL INVESTIGATIONS OF NOVEL HIGH-GAIN CIRCULARLY-POLARIZED HYBRID ANTENNA FOR MILLIMETER-WAVE DETECTION AND IMAGING APPLICATIONS

Article 16, Volume 41, No 3, May and June 2013, Page 1078-1100  XML PDF (648.7 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2013.114782
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Author
O. M. Haraz
Electrical Engineering Department, Faculty of Engineering, Assiut University, Assiut 71515, Arab Republic of Egypt
Abstract
A new improved high gain circularly-polarized antenna for millimeter-wave (MMW) applications is introduced in this paper. The proposed antenna consists of a microstrip rectangular patch radiator with corner-chopped fed by a rectangular aperture in the ground plane. To increase the antenna gain, a hollow rectangular ring dielectric resonator (DR) is installed. The DR and microstrip patch radiator together become as a single antenna element with increased gain. Extensive parametric studies are performed to address the effect of varying the antenna parameters on the operational frequency bandwidth. For further gain enhancement, a hemi-spherical dielectric lens made of high-dielectric constant is installed above the proposed antenna. Simulated results using Computer System Technology Microwave Studio (CST MWS) software programs based on finite integral numerical modeling technique (FIT) have been presented. The proposed novel antenna is considered a good candidate for circularly-polarized and high gain MMW applications for microwave detection and imaging applications.
Main Subjects
Electrical Engineering, Computer Engineering and Electrical power and machines engineering.
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