Experiments on direction finder using RBF neural network with post-processing

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Experiments on direction finder using RBF neural network with post-processing

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Evaluation tests are carried out on the direction finder, which has an aperture comprising four monopoles on the circumference of 0.4 λ. Radial bias function (RBF) neural network and a new post-processing procedure are used in the algorithm of DOA estimation. The estimation error was reduced to one-tenth that of MUSIC.

Inspec keywords: direction-of-arrival estimation; antenna arrays; radio direction-finding; radial basis function networks

Other keywords: post-processing procedure; MUSIC; direction finder; radial bias function; estimation error; RBF neural network; DOA estimation

Subjects: Neural nets (theory); Signal processing and detection; Radionavigation and direction finding; Signal processing theory; Antenna arrays

References

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      • S. Haykin . (1995) Advances in spectrum analysis and array processing.
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      • H. Demuth , M. Beale . (1998) Neural network toolbox.
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