Improved active sonar detection using autoregressive prewhiteners
Date of Original Version
An active sonar receiver is proposed that more closely approximates the optimal prewhitener and matched filter receiver than currently existing active sonars. The prewhitener is based on an autoregressive model for the reverberation that is shown through analysis of real data to be an accurate model. At the output of the prewhitener a generalized likelihood ratio test detector is implemented. Experimental range-Doppler maps of real data demonstrate that low-Doppler targets are more easily detected than with current FFT processors. © 1990, Acoustical Society of America. All rights reserved.
Journal of the Acoustical Society of America
Kay, Steven, and John Salisbury. "Improved active sonar detection using autoregressive prewhiteners." Journal of the Acoustical Society of America 87, 4 (1990): 1603-1611. doi:10.1121/1.399408.