Title :
Focusing wideband arrays from 2-D spectral estimates
Author :
Lagunas, M. ; Vázquez, G.
Author_Institution :
Univ. Politecnica Catalunya, Barcelona, Spain
Abstract :
The authors describe the scope of focusing at the spectral level, showing to what degree the time and the spatial support of the aperture represents a fundamental bound in performance. Finally some solutions from the spectral estimation domain are envisaged.<>
Keywords :
focusing; parameter estimation; spectral analysis; 2D estimates; aperture time; array processing; performance bound; spatial support; spectral analysis; spectral estimation domain; spectral level; wideband array focusing; Apertures; Autocorrelation; Azimuth; Direction of arrival estimation; Energy resolution; Focusing; Frequency conversion; Image converters; Noise reduction; Wideband;
Conference_Titel :
Spectrum Estimation and Modeling, 1990., Fifth ASSP Workshop on
Conference_Location :
Rochester, NY, USA
DOI :
10.1109/SPECT.1990.205551
