A Multiobjective Array Beamforming Method for Arrays of Flexible Shape
Round 1
Reviewer 1 Report
Comments and Suggestions for Authorsthis paper not have any measured to approve the approach method (just for one example and compare with the simulation.
the effect of beam width of the main loop should be studied with changed the limit of SLL or angle of null.
the percentage of error for each scenario should be calculated and making a comparison table of the array performance
comparison table should be added in the discussion section between PSO method and other published methods in this topic
Comments on the Quality of English Language
the paper writing is very good but more figures should be added to improve your method
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Reviewer 2 Report
Comments and Suggestions for AuthorsVery interesting and relevant article, using Taylor analytic array expansion as an initial estimate for a further PSO processing. Some minor remarks:
- weights(both the amplitude - space missing
-spaces missing elsewhere too 1998[34], 1995[33]., space[38] Authors should took a look at them.
- the authors could mention the software they used for the optimization (Python, I presume) and the electromagnetic simulation tool for the case they analyzed (CST I guess).
- I missed some remarks about the weights found after the optimization. Are they realistic? If you need too slight amplitude/phase differences among the elements it's not doable in the actual deployment.
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Reviewer 3 Report
Comments and Suggestions for AuthorsAuthors have presented a paper with the title “A Multiobjective Array Beamforming Method for Arrays of Flexible Shape”. A modified particle swarm optimization (PSO) algorithm has been used for synthesizing array beams and various scenarios have been investigated and are compared with classical PSO.
The work is supported with results. Paper is well written and is presented with clarity.
It will be useful for the research community.
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Reviewer 4 Report
Comments and Suggestions for AuthorsThe presented work concerns the application of a modified PSO algorithm to achieve a multi-beam array with specific requirements in terms of Side Lobe Level (SLL) and null positions in the far-field pattern.
The paper is well-written and the illustration are clearly understandable. The obtained results are interesting.
It's the reviewer opinion that it would be useful to include a mention of the actual computation times required for the convergence of the various cases presented.
The work finally presents a case study concerning an array with elements arranged on a circumference. The results obtained from an analytical analysis, an electromagnetic analysis using full-wave simulation software, and the approach proposed in the work are then compared. The results are indeed interesting, showing a good similarity and demonstrating a significant advantage in terms of calculation speed. In this regard, it would also be useful to show the comparison of the actual times for obtaining the feeding coefficients of the array elements between the approach using the modified PSO algorithm and the full-wave software used.
In fig. 14 it need to show d.
On row 167 "donates" must be substituted with "denotes"
The reviewer suggests referencing also the work "Synthesis of linear array using Taylor distribution and Particle Swarm Optimization," DOI: 10.1080/00207217.2014.905993, as it presents a similar approach, specifically for single-beam arrays.
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Reviewer 5 Report
Comments and Suggestions for AuthorsThe work presented in the manuscript is interesting, as it highlights the promising results achieved by the algorithm in four different scenarios. However, the manuscript lacks information on the achieved weights and phases for those cases, which would provide a clearer understanding of their feasibility in array syntheses. Additionally, there is no discussion on the challenges that may arise while implementing these values in an array design. It is recommended to add this information and discuss the feasibility and challenges of using the values in an array design.
Moreover, please elaborate further on whether any constraints were considered for the parameters in the optimization algorithm. This would provide more insight into the methodology used to obtain the results presented in the manuscript.
Finally, there are a few punctuation errors in the manuscript that need to be addressed to ensure clear and concise communication of the research findings.
Comments on the Quality of English LanguageThere are a few punctuation errors in the manuscript. Please address those.
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