Multibeam steered pattern synthesis in time‐modulated antenna array with controlled harmonic radiation

2021 ◽  
Vol 31 (5) ◽  
Author(s):  
Avishek Chakraborty ◽  
Gopi Ram ◽  
Durbadal Mandal
Keyword(s):  
Antenna Array ◽  
Pattern Synthesis ◽  
Harmonic Radiation

Application of the Unit Circle Representation to Pattern Synthesis of Nonuniformly Spaced and Nonuniformly Excited Arrays based on the Teaching Learning Based Optimization

2019 ◽  
Vol 4 (1) ◽  
pp. 8-17
Author(s):  
Abdelmadjid RECIOUI
Keyword(s):  
Unit Circle ◽  
Antenna Array ◽  
Communication Systems ◽  
Sidelobe Level ◽  
Pattern Synthesis ◽  
Linear Arrays ◽  
Array Pattern ◽  
Teaching Learning Based Optimization ◽  
Null Placement ◽  
Teaching Learning

Pattern synthesis of Antenna array has gained much attention over the last years as they constitute an important role in the modern communication systems. Unit circle-based techniques such as Schelkunoff null placement method have proved their effectiveness to synthesize uniformly spaced linear arrays. Nonuniformly spaced antenna array pattern synthesis has been investigated and interesting results have been obtained. In this work, the unit circle representation approach is applied to synthesize nonuniformly spaced and nonuniformly excited linear arrays. The objective is to accurately place nulls in the desired directions while achieving the least possible sidelobe level. The problem is cast as an optimization problem that is solved using the Teaching Learning Based Optimization (TLBO). Examples are dealt with to prove the design approach effectiveness and flexibility for modern communication system applications.

scholarly journals A PATTERN SYNTHESIS METHOD FOR LARGE PLANAR ANTENNA ARRAY

2015 ◽  
Vol 43 ◽  
pp. 147-156 ◽  
Author(s):  
Youji Cong ◽  
Guonian Wang ◽  
Zhengdong Qi
Keyword(s):  
Antenna Array ◽  
Synthesis Method ◽  
Planar Antenna ◽  
Pattern Synthesis ◽  
Planar Antenna Array
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