Automated Detection and Tracking Systems for Active Sonar.
Abstract
There is a significant advantage to detecting signals sequentially. Generally, sequential detection minimizes the average decision time. This is an important requirement in tactical sonar. However, when sequential analysis is coupled with target tracking a powerful automated sequential-detection-tracking system is obtained which can be applied to both active and passive systems. The automated system acts much like a human operator in that it defers a decision until high level of confidence in the target is reached. On the other hand, target tracks which accumulate low levels of confidence are discarded. A general discussion of optimum sequential detection of signals to noise from a likelihood ratio formulation is given. These results are applied to active sonar. Specifically, the performance in terms of false alarm probability and false dismissal probability is given for active sonar operating with a limited amount of data.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 08, 1987
- Accession Number
- ADA228895
Entities
People
- Roger F. Dwyer
Organizations
- Naval Underwater Systems Center