Passive localization from Doppler shifted frequency measurements

Author

Chan, Y.T. ; Towers, J.J.

Author_Institution

Dept. of Electr. & Comput. Eng., R. Mil. Coll. of Canada, Kingston, Ont., Canada

fYear

1991

fDate

14-17 Apr 1991

Firstpage

1465

Abstract

An efficient search scheme for an underwater radiating source is developed by introducing intermediate variables which are products of some of the unknowns. The search dimension is only two, in x- y position, instead of five. The resultant intermediate equations become linear and are easier to solve; the major calculation at each grid point requires an inversion of a 3×3 matrix. The Cramer-Rao bound for localization is also given, together with simulation results that verify the method

Keywords

Doppler effect; acoustic variables measurement; frequency measurement; underwater sound; Cramer-Rao bound; Doppler shifted frequency measurements; grid search technique; linear equations; matrix inversion; passive localisation; search method; simulation results; underwater radiating source; Acoustic measurements; Acoustic sensors; Closed-form solution; Electric variables measurement; Frequency measurement; Iterative methods; Nonlinear equations; Position measurement; Velocity measurement; Yttrium;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1991. ICASSP-91., 1991 International Conference on

Conference_Location

Toronto, Ont.

ISSN

1520-6149

Print_ISBN

0-7803-0003-3

Type

conf

DOI

10.1109/ICASSP.1991.150718

Filename

150718