Methodological study demonstrates source separation using independent component analysis and monopulse radar for airport surveillance, indicating improved aircraft detection in crowded airspace.
As aerial traffic becomes greater, it is more difficult to locate and recognise aircraft in the neighbourhood of civil airports. The technique proposed here resorts to a particular device, monopulse radar, and to a recent tool called the independent component analysis (ICA) to separate messages falling in the same radar beam. The algorithms used to compute the ICA use fourthorder cumulants of the observed signals.
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Chaumette et al. (1993) studied this question.
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