Substrate integrated waveguide‐slot wide‐angle scanning aperiodic phased array with low side‐lobe levels

An aperiodic substrate integrated waveguide (SIW) wide‐angle scanning phased array with low side‐lobe levels (SLLs) is presented. The proposed C‐band array has 16 SIW‐slot elements with aperiodic distribution. The TE10 mode of each element is excited to obtain a wide beamwidth for wide‐angle scannin...

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Bibliographic Details
Published in:Microwave and optical technology letters 2020-01, Vol.62 (1), p.210-216
Main Authors: Sun, Bin‐Feng, Ding, Xiao, Cheng, You‐Feng, Shao, Wei
Format: Article
Language:English
Subjects:
aperiodic array
Apertures
genetic algorithm
Genetic algorithms
phased array
Phased arrays
Product design
Scanning
substrate integrated waveguide
Substrate integrated waveguides
Variations
wide‐angle scanning
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Summary:An aperiodic substrate integrated waveguide (SIW) wide‐angle scanning phased array with low side‐lobe levels (SLLs) is presented. The proposed C‐band array has 16 SIW‐slot elements with aperiodic distribution. The TE10 mode of each element is excited to obtain a wide beamwidth for wide‐angle scanning potential. In addition, a genetic algorithm is used to optimize the placement of the elements to reduce the scanning SLLs of the phased array, especially in wide‐angle scanning areas. The proposed approach provides superior performance of SLLs 
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.31989