Abstract
In this letter, a hybrid encoding method of topology optimization for frequency selective surface (FSS) with high angular stability is proposed. By combining two different encoding method of binary and real-number, both bandpass and bandstop FSS with angular stability can be obtained. Topology and configuration parameters can be obtained with genetic algorithm from the desired resonate frequency and corresponding bandwidth. By adopting the hybrid encoding method, the optimization space has been reduced with compressed encoding length and the optimization accuracy can also be improved. For verification, two FSSs with bandpass and bandstop property have been designed, fabricated, and measured. Good agreement between the simulation and measurement results can be observed.
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Acknowledgements
This work was supported in part by the National Natural Science Foundation of China under Grant 61331005, 61671467, 61501502.
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Sui, S., Ma, H., Wang, J. et al. A hybrid encoding method for frequency selective surface optimization design with angular stability property. Appl. Phys. A 125, 718 (2019). https://doi.org/10.1007/s00339-019-2989-7
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DOI: https://doi.org/10.1007/s00339-019-2989-7