Passive Localization Using Propagation Models
Abstract
Passive ranging using propagation models can be effected in two different ways: forward modeling and direct inversion. The forward-modeling method performs an exhaustive recomputation of the field over a set of assumed source locations and seeks the best match to the measured data. The direct inversion method inverts a set of linear equations constituted by the normal mode model. An overview of these two approaches is given along with a summary of studies performed to date. This is followed by the presentation of a maximum- likelihood algorithm for the direct inversion method. A discussion of the merits and weaknesses of each method is given. Also, an appendix which discusses some general aspects of the inverse problem is included.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1987
- Accession Number
- ADA189404
Entities
People
- Edmund J. Sullivan
Organizations
- SACLANT ASW Research Centre