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Beam control method for multi-array antennas based on improved genetic algorithm

Guojin Kan

Guojin Kan

Science and Technology on Space Physics Laboratory, China Academy of Launch Vehicle TechnologyBeijing, China
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Kan, Guojin
, 
Lutian Wang

Lutian Wang

Aerospace Times FeiHong Technology Company LimitedBeijing, China
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Wang, Lutian
, 
Yanzheng Chen

Yanzheng Chen

The 36th Research Institute of China Electronic Science and Technology Group IncJiaxing, China
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Chen, Yanzheng
, 
Adel A. Bahaddad

Adel A. Bahaddad

Department of Information System, Faculty of Computing and Information Technology, King Abdulaziz UniversityJeddah, Saudi Arabia
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Bahaddad, Adel A.
 e 
Moaiad Ahmad Khder

Moaiad Ahmad Khder

Applied Science UniversityAl Eker, Kingdom of Bahrain
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Khder, Moaiad Ahmad
  
27 dic 2021
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Pubblicato online: 27 dic 2021
Pagine: 545 - 552
Ricevuto: 16 giu 2021
Accettato: 24 set 2021
DOI: https://doi.org/10.2478/amns.2021.1.00086
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© 2021 Guojin Kan et al., published by Sciendo.
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Application flow of the genetic algorithm.
Application flow of the genetic algorithm.

Fig. 2

Equaliser circuit equivalent diagram.
Equaliser circuit equivalent diagram.

Fig. 3

Unit model diagram of the array antenna.
Unit model diagram of the array antenna.

Fig. 4

Display antenna structure diagram.
Display antenna structure diagram.

Fig. 5

VSWR of the measured array antenna.
VSWR of the measured array antenna.

Analysis of physical test results

Horizontal beam width Pitch beam width Gain (dB) Side lobe level (dB)
14 GHz 5.9° 38.1° 20.8 -18.4
14.6 GHz 5.7° 36.1° 21.3 -18.6
15.2 GHz 5.4° 34.6° 22 -18

Design indicators

Working bandwidth Horizontal beam width Pitch beam witch Gain Side lobe level
8% <6.5° <40° >20.5dB <-18dB

Calculation results of centimetre ratio

Unit 1 2 3 4 5 6
Specific value 0.38 0.48 0.52 0.65 0.78 0.96
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Inglese
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Scienze biologiche, Scienze della vita, altro, Matematica, Matematica applicata, Matematica generale, Fisica, Fisica, altro
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