Title :
CFAR detection of extended and multiple point-like targets without assignment of secondary data
Author :
Bandiera, Francesco ; Orlando, Danilo ; Ricci, Giuseppe
Author_Institution :
Dipt. di Ingegneria dell´´Innovazione, Univ. degli Studi di Lecce, Italy
fDate :
4/1/2006 12:00:00 AM
Abstract :
We design and assess adaptive schemes to detect extended and multiple point-like targets embedded in correlated Gaussian noise. Proposed algorithms rely on either the generalized likelihood ratio test (GLRT) or ad hoc procedures. Such detectors make it possible to get rid of distinct secondary data and guarantee the constant false alarm rate (CFAR) property with respect to the covariance matrix of the disturbance. A preliminary performance assessment, conducted by resorting to simulated data, also in comparison to the so-called modified GLRT (MGLRT) proposed in , has shown that newly introduced CFAR detectors may represent a viable means to deal with uncertain scenarios.
Keywords :
Gaussian noise; adaptive signal processing; correlation theory; covariance matrices; radar detection; CFAR; GLRT; ad hoc procedure; adaptive scheme; constant false alarm rate detector; correlated Gaussian noise; covariance matrix; generalized likelihood ratio test; multiple point-like target; Covariance matrix; Detectors; Gaussian noise; Object detection; Performance loss; Radar detection; Radar scattering; Radar tracking; Signal processing algorithms; Testing; Adaptive radar detection; constant false alarm rate (CFAR); extended targets; generalized likelihood ratio test (GLRT); multiple point-like targets;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2005.863653