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Maximum entropy spectral analysis in antenna spatial filtering

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1 Author(s)
T. Thorvaldsen ; Norwegian Defense Research Establishment, Kjeller, Norway

An eight-element linear receiving array working in G band is simulated. The azimuthal response is formed using a maximum entropy algorithm. This gives the antenna a remarkable ability to detect low-level signals in the presence of high-level signals. The sidelobes encountered when using Fourier analysis do not seem to exist. The resolution of two equal targets can be made to depend on the signal-to-noise ratio only, by averaging the prediction coefficients from many data sets containing random phase difference information from the two targets.

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:28 ,  Issue: 4 )