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Adaptive Radar Detection and Localization of a Point-Like Target

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2 Author(s)
Orlando, D. ; Dipt. di Ing. dell''Innovazione, Univ. del Salento, Lecce, Italy ; Ricci, G.

In the present paper, we focus on the design of adaptive decision schemes for point-like targets; the proposed algorithms can take advantage of the possible spillover of target energy between consecutive matched filter samples. To this end, we assume that the received useful signal is known up to a complex factor modeled as a deterministic parameter; moreover, it is embedded in correlated Gaussian noise with unknown covariance matrix. Finally, for estimation purposes we assume that a set of secondary data, free of signal components, but sharing the same covariance matrix of the noise in the cells containing signal returns, up to a possibly different scale factor, is available. Remarkably, the proposed decision schemes can provide accurate estimates of the target position within the cell under test and ensure the desirable constant false alarm rate property with respect to the unknown noise parameters.

Published in:

Signal Processing, IEEE Transactions on  (Volume:59 ,  Issue: 9 )