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Journal Article

  1. [MA-97]N. Ma, Vray, D., Delachartre, P., and Gimenez, G., “Time-frequency representation of multicomponent chirp signals”, Signal Proces, vol. 56, pp. 149-155, 1997.

Conference Paper

  1. [MA-99]N. Ma, Vray, D., and Goh, J. T., “Muddy bottom backscattering modeling and attenuation coefficient estimation”, in IMDEX ASIA 99, Singapore, Singapore, 1999, pp. 243-249.
  2. [MA-98]N. Ma and Vray, D., “Bottom backscattering coefficient estimation from wideband chirp sonar echoes by chirp adapted time-frequency representation”, in ICASSP,12-15 May, Seattle, Washington, USA, 1998, pp. 2461–2464.
  3. [DELA-96]P. Delachartre, Vray, D., Ma, N., Bacelar, A., and Gimenez, G., “Wideband inverse filtering to improve active sonar detection in background reverberation”, in VIII EUSIPCO, Trieste, Italy, 1996, pp. 1829–1832.
  4. [MA-95]N. Ma, Vray, D., Delachartre, P., and Gimenez, G., “Sea-bottom backscattering modeling with a wideband constant beamwidth sonar at normal incidence”, in IEEE International Ultrasonics Symposium, Seattle, USA, 1995, vol. 2, pp. 1077–1080.
  5. [MA-94b]N. Ma, Vray, D., Delachartre, P., and Gimenez, G., “Time-frequency representation adapted to chirp signals : application to analysis of sphere scattering”, in IEEE International Ultrasonics Symposium, Cannes, France, 1994, vol. 2, pp. 1139–1142.
  6. [MA-94a]N. Ma, Vray, D., Delachartre, P., and Gimenez, G., “Analysis of sedimentary bottom impulse response using a wide band sonar”, in IEEE Oceans'94, Brest, France, 1994, p. I.813-I.818.
  7. [MA-93]N. Ma, Vray, D., Delachartre, P., Dziedzic, A., and Gimenez, G., “Analyse en large bande du comportement acoustique du fond sous-marin”, in 14e Colloque sur le traitement du signal et des images, Juan-les-Pins, France, 1993, pp. 1163–1166.

Thesis

  1. [MA-96]N. Ma, “Analyse temps-fréquence de signaux sonar très large bande : contribution à l'identification de la réponse impulsionnelle des fonds marins”, INSA Lyon, 1996.
    Gimenez G., Glangeaud F. (rap.), Jauffret C., Sessarego J.P. (rap.) et Vray D.