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Adaptive polarimetric target detection with coherent radar. II. Detection against non-Gaussian background

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3 Author(s)
Lombardo, P. ; INFOCOM Dept., Rome Univ., Italy ; Pastina, D. ; Bucciarelli, T.

For pt. I see ibid., vol. 37, no. 4, pp. 1194-1206 (2001).This paper presents the derivation of a polarimetric coherent adaptive scheme to detect a radar target against a non-Gaussian background. This completes the results presented in Part I for the Gaussian background. A Texture Free-Generalized Likelihood Ratio Test (TF-GLRT) detector is derived that exploits the polarimetric characteristics of the received radar echoes to improve the detection performance. The proposed polarimetric detector is shown to have Constant False Alarm Rate (CFAR) when operating against compound-Gaussian clutter with unknown parameters. Its performance is fully characterized by both theoretical analysis and simulation. Moreover, the application to recorded radar data demonstrates the performance improvement achievable in practice

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:37 ,  Issue: 4 )