Abstract
In this paper, linear array (LA) synthesis for desired nulls is performed using firefly algorithm (FFA). The undesired signals are often termed as interference approaching the radiating system in certain directions. It is possible to reject these signals thereby avoiding potential interference by simply placing nulls in the direction of arrival of interference in the respective radiation pattern of the antenna array. In order to demonstrate this, single and multiple nulls are obtained using FFA in linear arrays. The radiation patterns are obtained for both single and multiple nulls when the beam is positioned from 0° to 30° which typically refers to scanned and unscanned beams.
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Javeed Ahammed, M., Swathi, A., Sanku, D., Chakravarthy, V.V.S.S.S., Ramesh, H. (2018). Performance of Firefly Algorithm for Null Positioning in Linear Arrays. In: Satapathy, S., Bhateja, V., Chowdary, P., Chakravarthy, V., Anguera, J. (eds) Proceedings of 2nd International Conference on Micro-Electronics, Electromagnetics and Telecommunications. Lecture Notes in Electrical Engineering, vol 434. Springer, Singapore. https://doi.org/10.1007/978-981-10-4280-5_40
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DOI: https://doi.org/10.1007/978-981-10-4280-5_40
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