Target tracking onboard an autonomous underwater vehicle: determining optimal towed array heading in an anisotropic noise field
Loading...
Authors
Parra-Orlandoni, Maria Alejandra.
Subjects
Advisors
Date of Issue
2007-09
Date
Publisher
Language
Abstract
In order to overcome the challenges that an anisotropic noise field poses for underwater target tracking, we conduct an onboard estimation of the horizontal noise directionality in the real-time processing suite of an autonomous underwater vehicle (AUV) towing a horizontal line array. The estimation of the noise directionality is a precursor to another adaptive behavior: optimizing tracking capability of a towed array by choosing a particular heading that minimizes the detection level in the target's direction. In each distinct simulated anisotropic noise field, the AUV successfully calculates the optimal towed array headings based on the real-time estimation of the horizontal noise directionality. The findings reveal a clear advantage over the conventional broadside beam tracking method, with some limitations due predominantly to the noise field itself.
Type
Thesis
Description
Series/Report No
Department
Organization
Woods Hole Oceanographic Institution
Identifiers
NPS Report Number
Sponsors
Funder
Contract number: N62271-97-G-0026
Format
109 : ill.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.