Title :
Underwater detection of transient magnetic signals: an application of wavelet packets
Author :
Quinquis, André ; Kalkoff, Ingo ; Rossignol, Stéphane
Author_Institution :
EJA Dept., ENSIETA, Brest, France
Abstract :
This work deals with the detection and the rebuilding of a signal produced by a moving ferromagnetic mass in the Earth´s magnetic field. To de-noise the signal we use wavelet packets decomposition and we implement some methods to threshold and shrink the coefficients obtained
Keywords :
acoustic noise; acoustic signal detection; interference suppression; signal reconstruction; transient analysis; underwater sound; wavelet transforms; de-noising; decomposition; moving ferromagnetic mass; rebuilding; shrinking; thresholding; transient magnetic signals; underwater detection; wavelet packets; Frequency; Magnetic field measurement; Magnetic fields; Magnetic noise; Magnetic sensors; Noise reduction; Signal detection; Underwater tracking; Wavelet packets; White noise;
Conference_Titel :
OCEANS '96. MTS/IEEE. Prospects for the 21st Century. Conference Proceedings
Conference_Location :
Fort Lauderdale, FL
Print_ISBN :
0-7803-3519-8
DOI :
10.1109/OCEANS.1996.568355
