Accession Number:

ADA277667

Title:

Instantaneous Variance Estimation by Spectral Collapse

Descriptive Note:

Corporate Author:

NAVAL COMMAND CONTROL AND OCEAN SURVEILLANCE CENTER RDT AND E DIV SAN DIEGO CA

Personal Author(s):

Report Date:

1993-11-01

Pagination or Media Count:

8.0

Abstract:

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.

Subject Categories:

  • Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE