Phase-only multidimensional spatio-temporal analysis for moving sources

Author

Cadre, Jean-Pierre Le ; Tremois, O.

Author_Institution

CNRS, IRISA, Rennes, France

Volume

iv

fYear

1994

fDate

19-22 Apr 1994

Abstract

The estimation of source motion parameters takes a considerable importance for many areas. Especially for underwater acoustic applications where a large amount of data is available. This paper deals with the estimation of source motion parameters directly from the spatio-temporal data. A general frame for a separate estimation of the spatial frequencies and spatial frequency-rate is presented, avoiding thus the dramatic interference problems. One basic idea consists in using basically the relative phase shifts without any consideration of source powers. The other consists in considering interpolation as a basic tool for spatio-temporal analysis

Keywords

array signal processing; estimation theory; frequency estimation; interpolation; motion estimation; sonar signal processing; underwater sound; array processing; interpolation; moving sources; multidimensional spatio-temporal analysis; parameter estimation; phase-only analysis; relative phase shifts; sonar; source motion parameters; spatial frequencies; spatial frequency-rate; spatio-temporal data; underwater acoustic applications; Array signal processing; Frequency estimation; Interpolation; Motion analysis; Motion estimation; Multidimensional systems; Sensor arrays; Sonar detection; Target tracking; Underwater acoustics;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1994. ICASSP-94., 1994 IEEE International Conference on

Conference_Location

Adelaide, SA

ISSN

1520-6149

Print_ISBN

0-7803-1775-0

Type

conf

DOI

10.1109/ICASSP.1994.389783

Filename

389783