Performance of Doppler estimation for acoustic sources with atmospheric scattering

Author

Kozick, Richard J. ; Sadler, Brian M.

Author_Institution

Dept. of Electr. Eng., Bucknell Univ., Lewisburg, PA, USA

Volume

2

fYear

2004

fDate

17-21 May 2004

Abstract

A statistical analysis of differential Doppler estimation is presented for acoustic sources with a harmonic spectrum. Our model for the sensor measurements includes a physics-based statistical model for the scattering of the wavefronts by the atmosphere. We derive the Cramer-Rao bound (CRB) on differential Doppler estimation as a function of the atmospheric conditions, the frequency of the source, and the range of the source. We apply the CRB result for several cases of interest with simulated and measured data.

Keywords

Doppler effect; acoustic signal processing; acoustic wave propagation; acoustic wave scattering; atmospheric acoustics; frequency estimation; statistical analysis; Cramer-Rao bound; acoustic sources; atmospheric scattering; differential Doppler estimation; frequency estimation; harmonic spectrum; physics-based statistical model; scattering; statistical analysis; Acoustic measurements; Acoustic noise; Acoustic scattering; Acoustic sensors; Additive noise; Atmospheric measurements; Atmospheric modeling; Frequency estimation; Internal combustion engines; Land vehicles;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on

ISSN

1520-6149

Print_ISBN

0-7803-8484-9

Type

conf

DOI

10.1109/ICASSP.2004.1326274

Filename

1326274