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- Francesco Bandiera, Olivier Besson, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2008

In this paper, we present a GLRT-based adaptive detection algorithm for extended targets with improved rejection capabilities of mismatched signals. We assume that a set of secondary data is available and that noise returns in primary and secondary data share the same statistical characterization. To increase the selectivity of the detector, similarly to… (More)

- Francesco Bandiera, Danilo Orlando, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2008

We propose a modified version of the adaptive sidelobe blanker (ASB) consisting of a generalized likelihood ratio test (GLRT)-based subspace detector followed by the adaptive coherence estimator. The performance analysis shows that it possesses the constant false alarm rate property with respect to the unknown covariance matrix of the noise in homogeneous… (More)

- Francesco Bandiera, Olivier Besson, Danilo Orlando, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2008

We propose a two-stage detector consisting of a subspace detector followed by the whitened adaptive beamformer orthogonal rejection test. The performance analysis shows that it possesses the constant false alarm rate property with respect to the unknown covariance matrix of the noise and that it can guarantee a wider range of directivity values with respect… (More)

- Francesco Bandiera, Antonio De Maio, Antonio S. Greco, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2007

This paper addresses adaptive radar detection of distributed targets in noise plus interference assumed to belong to a known or unknown subspace of the observables. At the design stage we resort to either the GLRT or the so-called two-step GLRT-based design procedure and assume that a set of noise-only data is available (the so-called secondary data).… (More)

- Francesco Bandiera, Olivier Besson, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2010

Let x be a signal to be sparsely decomposed over a redundant dictionary A, i.e., a sparse coefficient vector s has to be found such that x = As. It is known that this problem is inherently unstable against

- Francesco Bandiera, Danilo Orlando, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2009

In this paper, we propose and assess a CFAR detector that can adjust its ldquodirectivityrdquo through a real scalar parameter. It relies on the usual assumption that a set of homogeneous training data is available and encompasses as special cases the well-known Kelly's GLRT and the recently introduced W-ABORT detector. More important, it can be tuned in… (More)

- Francesco Bandiera, Danilo Orlando, Giuseppe Ricci
- Advanced Radar Detection Schemes Under Mismatched…
- 2009

- Francesco Bandiera, Antonio De Maio, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2007

In this paper, we deal with the problem of adaptive signal detection in colored Gaussian disturbance. Since the classical receivers may exhibit severe performance degradations in the presence of steering vector mismatches and sidelobe interfering signals, we try to account for the quoted drawbacks, very usual in realistic radar scenarios, at the design… (More)

- Francesco Bandiera, Olivier Besson, Danilo Orlando, Giuseppe Ricci, Louis L. Scharf
- IEEE Transactions on Signal Processing
- 2007

In this paper, we derive and assess decision schemes to discriminate, resorting to an array of sensors, between the H<sub>0</sub> hypothesis that data under test contain disturbance only (i.e., noise plus interference) and the H<sub>1</sub> hypothesis that they also contain signal components along a direction which is a priori unknown but constrained to… (More)

- Francesco Bandiera, Alfonso Farina, Danilo Orlando, Giuseppe Ricci
- IEEE Transactions on Signal Processing
- 2010

We address adaptive detection of coherent signals backscattered by possible point-like targets or originated from electronic countermeasure (ECM) systems in presence of thermal noise, clutter, and possible noise-like interferers. In order to come up with a class of decision schemes capable of discriminating between targets and ECM signals, we resort to… (More)