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Joint Optimization of Sum and Difference Patterns with a Common Weight Vector Using the Genetic Algorithm, Journal of Telecommunications and Information Technology, 2022, nr 3
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Title: Joint Optimization of Sum and Difference Patterns with a Common Weight Vector Using the Genetic Algorithm, Journal of Telecommunications and Information Technology, 2022, nr 3

Creator:

Mohammed, Jafar Ramadhan ; Aljaf, Duaa Alyas

Date:

2022, nr 3

Resource Type:

artykuł

Description:

A monopulse searching and tracking radar antenna array with a large number of radiating elements requires a simple and efficient design of the feeding network. In this paper, an effective and versatile method for jointly optimizing the sum and difference patterns using the genetic algorithm is proposed. Moreover, the array feeding network is simplified by attaching a single common weight to each of its elements. The optimal sum pattern with the desired constraints is first generated by independently optimizing amplitude weights of the array elements. The suboptimal difference pattern is then obtained by introducing a phase displacement π to half of the array elements under the condition of sharing some sided elements weights of the sum mode. The sharing percentage is controlled by the designer, such that the best performance can be met. The remaining uncommon weights of the difference mode represent the number of degrees of freedom which create a compromise difference pattern. Simulation results demonstrate the effectiveness of the proposed method in generating the optimal sum and suboptimal difference patterns characterized by independently, partially, and even fully common weight vectors.

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy

Format:

application/pdf

Resource Identifier:

ISSN 1509-4553, on-line: ISSN 1899-8852 ; oai:bc.itl.waw.pl:2239

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

genetic algorithm monopulse radar antenna difference pattern sum pattern common weight vector

Object collections:

Last modified:

Mar 13, 2024

In our library since:

Feb 7, 2023

Number of object content hits:

31

All available object's versions:

https://ribes-54.man.poznan.pl/publication/2548

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Edition name Date
Aljaf, Duaa Alyas, Joint Optimization of Sum and Difference Patterns with a Common Weight Vector Using the Genetic Algorithm, Journal of Telecommunications and Information Technology, 2022, nr 3 Mar 13, 2024

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