Title :
GLRT-based adaptive detection-estimation of Gaussian sources in coloured noise fields
Author :
Abramovich, E.I. ; Spencer, N.K. ; Turcaj, P.
Author_Institution :
Div. of Intelligence, Surveillance & Reconnaissance, Defence Sci. & Technol. Organ., Edinburgh, SA, Australia
Abstract :
Detection-estimation of uncorrelated point Gaussian sources in spatially coloured noise is considered for uniform linear arrays. We assume that a secondary (training) dataset that contains only the coloured noise samples is provided in addition to the primary dataset that has samples with a mixture of coloured noise and signals. We propose a GLRT (generalised likelihood-ratio test) technique based on likelihood-ratio (LR) optimisation.
Keywords :
Gaussian processes; adaptive estimation; adaptive signal processing; array signal processing; optimisation; signal detection; Gaussian sources; adaptive detection-estimation; coloured noise fields; generalised likelihood-ratio test; likelihood-ratio optimisation; linear antenna arrays; Australia; Colored noise; Covariance matrix; Gaussian processes; Intelligent sensors; Interference; Sensor arrays; Signal processing; Surveillance; White noise;
Conference_Titel :
Signal Processing and Information Technology, 2003. ISSPIT 2003. Proceedings of the 3rd IEEE International Symposium on
Print_ISBN :
0-7803-8292-7
DOI :
10.1109/ISSPIT.2003.1341089
