Detection and time‐delay estimation for hand‐limited transients using higher‐order correlations

Autor: Lisa A. Pflug, Grayson H. Rayborn, Juliette W. Ioup, Robert L. Field, Kenneth H. Barnes, George E. Ioup
Rok vydání: 1990
Předmět:
Zdroj: The Journal of the Acoustical Society of America. 88:S29-S29
ISSN: 0001-4966
DOI: 10.1121/1.2028940
Popis: Previously reported research examining the performance of higher‐order correlation detectors for band‐limited transient signals using hypothesis testing has been extended to include alternate detection methods, detector performance as a function of signal‐to‐noise ratios (SNR's), and time‐delay estimation. In particular, frequency‐domain detection has been compared to detection in the time domain. Probability of detection is determined for example transients at a fixed false alarm rate over a domain of SNR's. The accuracy of time‐delay estimation is investigated for these signals using higher‐order correlation estimators for the same noisy transients. Signals affected by the environment are also included in the analyses. [Work supported by NOARL and the Navy/ASEE Summer Faculty Fellowship Program.]
Databáze: OpenAIRE