Progress In Electromagnetics Research M
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By N. S. Grewal, M. Rattan, and M. S. Patterh

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The element failure of antenna arrays increases the sidelobe power level. In this paper, the problem of antenna array failure has been addressed using Firefly Algorithm (FA) by controlling only the amplitude excitation of array elements. A fitness function has been formulated to obtain the error between pre-failed (original) sidelobe pattern and measured sidelobe pattern and this function has been minimized using FA. Numerical example of large number of element failure correction is presented to show the capability of this flexible approach.

N. S. Grewal, M. Rattan, and M. S. Patterh, "A Linear Antenna Array Failure Correction Using Firefly Algorithm," Progress In Electromagnetics Research M, Vol. 27, 241-254, 2012.

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