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Adaptive Noise Cancellation of Doppler Shifted Signals: A Linear Framework

Record type: Conference or Workshop Item (Other)

In this paper we investigate the performance of single channel adaptive noise cancellation techniques for situations where the noise signal received by the two microphones cannot be related by a fixed weight canceller's (linear) digital filter due to Doppler shift on the two signals. A mathematical signal model is produced, which shows that the adaptive filter is in fact required to identify a time-varying system which incorporates Doppler shift, and potential rapid variations in signal power as the Doppler producing source passes the filter microphones. We present theory, simulated performance, and real world performance for both the least mean square (LMS) and normalised LMS (NLMS) when operating in a Doppler noise environment.

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Citation

Weiss, S and Stewart, R W (1996) Adaptive Noise Cancellation of Doppler Shifted Signals: A Linear Framework At 8th European Signal Processing Conference.

More information

Published date: September 1996
Additional Information: Organisation: EUSIPCO'96 Address: Trieste, Italy
Venue - Dates: 8th European Signal Processing Conference, 1996-09-01
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 251904
URI: http://eprints.soton.ac.uk/id/eprint/251904
PURE UUID: 834d539b-e0d0-48ea-bd4a-74cea6b8b5d8

Catalogue record

Date deposited: 08 Nov 2000
Last modified: 18 Jul 2017 10:08

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Contributors

Author: S Weiss
Author: R W Stewart

University divisions


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