Instantaneous Variance Estimation by Spectral Collapse
NAVAL COMMAND CONTROL AND OCEAN SURVEILLANCE CENTER RDT AND E DIV SAN DIEGO CA
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Mean-square consistent estimators for both the two-dimensional spectrum and the instantaneous variance of non-stationary white noise are obtained from a single time series. Applications to real sonar data indicate that these estimators can be adapted to both detect and recover transients.
- Acoustic Detection and Detectors