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New Design Method of UWB Microstrip Filters Using Adaptive Genetic Algorithms with Defected Ground Structures
Joint Authors
Dadashzadeh, Gholamreza
Sedaaghi, Mohammad Hossein
Dastkhosh, Amir Reza
Source
International Journal of Microwave Science and Technology
Issue
Vol. 2010, Issue 2010 (31 Dec. 2010), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-05-12
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
The effects of adaptive genetic algorithms (AGAs) and defected ground structures (DGSs) on performance optimization of tapered microstrip filter are investigated.
The proposed structure achieves an ultra wide stopband with high attenuation within a small surface area, as well as 45% smaller size, in comparison with conventional filters.
The parameters of the filter are optimized using in-home AGA code.
In the proposed AGA algorithm, the crossover and mutation probabilities are adaptively changed according to the value of individual fitness.
Then by utilizing the proposed DGS, a compact S-band lowpass filter with ultra-wide spurious free window is obtained.
The proposed filter achieves an insertion loss of 0.8 dB from DC up to 4 GHz and 21 dB rejection in the stopband from 4.3 up to 60 GHz.
The fabricated and measured results exhibit good agreement with the simulated results.
They demonstrate that combining AGA and DGS yields best possible response for this group of filters.
American Psychological Association (APA)
Dastkhosh, Amir Reza& Dadashzadeh, Gholamreza& Sedaaghi, Mohammad Hossein. 2010. New Design Method of UWB Microstrip Filters Using Adaptive Genetic Algorithms with Defected Ground Structures. International Journal of Microwave Science and Technology،Vol. 2010, no. 2010, pp.1-9.
https://search.emarefa.net/detail/BIM-489204
Modern Language Association (MLA)
Dastkhosh, Amir Reza…[et al.]. New Design Method of UWB Microstrip Filters Using Adaptive Genetic Algorithms with Defected Ground Structures. International Journal of Microwave Science and Technology No. 2010 (2010), pp.1-9.
https://search.emarefa.net/detail/BIM-489204
American Medical Association (AMA)
Dastkhosh, Amir Reza& Dadashzadeh, Gholamreza& Sedaaghi, Mohammad Hossein. New Design Method of UWB Microstrip Filters Using Adaptive Genetic Algorithms with Defected Ground Structures. International Journal of Microwave Science and Technology. 2010. Vol. 2010, no. 2010, pp.1-9.
https://search.emarefa.net/detail/BIM-489204
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-489204