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Communication Dans Un Congrès Année : 2010

Asymptotic distribution of GLR for impropriety of complex signals

Résumé

In this paper, we consider the problem of testing impropriety (i.e., second-order noncircularity) of a complex-valued random variable (RV) based on the generalized likelihood ratio test (GLRT) derived under Gaussian distributions. Asymptotic (w.r.t. the data length) distributions of the GLR are given under the hypothesis that data are proper or improper, and under the true, not necessarily Gaussian distribution of the data. This enables us to derive in particular the receiver operating characteristics (ROC) of this test, an issue previously overlooked. Finally illustrative examples are presented in order to strengthen the obtained theoretical results
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Dates et versions

hal-01308689 , version 1 (16-12-2020)

Identifiants

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Jean-Pierre Delmas, Abdelkader Oukaci, Pascal Chevalier. Asymptotic distribution of GLR for impropriety of complex signals. ICASSP 2010 : 35th International Conference on Acoustics, Speech, and Signal Processing, Mar 2010, Dallas, United States. pp.3594 - 3597, ⟨10.1109/ICASSP.2010.5495920⟩. ⟨hal-01308689⟩
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