UNSPECIFIED (2005) Quarter-wave phase-compensating multidielectric lens design using genetic algorithms. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 44 (2). pp. 165-169. doi:10.1002/mop.20577

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Abstract

This paper illustrates a microwave dielectric tells design using genetic algorithms (GAs). A quarter-wave phase-compensating multidielectric lens, using four types of materials and a zoned structure is designed using GAs. The dielectric lens shape was designed using a GA with a random initial shape in order to compensate for the phase error of the multidielectric lens and achieve the required performance. The simulation result, which is performed using high-frequency simulation software (HFSS) from Ansoft, shows that the gain of the side lobes decreases 21-dB more when using our GAs designed multidielectric lens. as compared with the simulation result of the conical-horn antenna without multidielectric lens. The performance from -150degrees to 150degrees angles achieved improvement, which proves that GAs may be ail effective method for lens design. Further work will be done at this area. (C) 2004 Wiley Periodicals, Inc.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics
Journal or Publication Title:	MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Publisher:	JOHN WILEY & SONS INC
ISSN:	0895-2477
Official Date:	20 January 2005
Dates:	Date Event 20 January 2005 UNSPECIFIED
Volume:	44
Number:	2
Number of Pages:	5
Page Range:	pp. 165-169
DOI:	10.1002/mop.20577
Publication Status:	Published

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