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In an antenna system, sidelobe levels play an important role in calculating power budget. An antenna system is considered to be good if it is having low sidelobe levels. Nulls are also very important parameter to cater interfering signals. There is possibility that an antenna element gets damaged due to which beam pattern is distorted in form of increased side lobes and nulls steered from their original...
In this paper, we proposed an evolutionary algorithm for joint estimation of amplitude and DOA of signals impinging from far field on a uniform linear array. We used Differential Evolution algorithm with Mean Square Error as a fitness evaluation function. This fitness function defines an error between actual and estimated signal and is derived from Maximum Likelihood Principle. It does not require...
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