Title :
The detection performance of coherent wideband focusing for a spatially resampled array
Author :
Krolik, Jeffrey ; Swingler, D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada
Abstract :
Using output deflection as a criterion, the detection performance of the SRMV (spatially resampled minimum variance) and ICMV (incoherent minimum variance) spatial spectral estimates are examined. The SRMV method is shown to provide improved detection performance in relatively short observation settings. At longer observation times, however, the SRMV offers little or no detection advantage over incoherent methods
Keywords :
computerised signal processing; digital simulation; estimation theory; focusing; signal detection; coherent wideband focusing; computerised signal processing; detection performance; incoherent minimum variance; output deflection; spatially resampled array; spatially resampled minimum variance; Acoustic noise; Acoustic sensors; Bandwidth; Covariance matrix; Data engineering; Frequency; Narrowband; Sampling methods; Sensor arrays; Wideband;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on
Conference_Location :
Albuquerque, NM
DOI :
10.1109/ICASSP.1990.116214
