Sonar system and method providing low probability of impact...

Details Sonar system and method providing low probability of impact... Sonar system and method providing low probability of impact...

G - Physics

01

S

G01S 15/10 (2006.01) G01S 7/52 (2006.01) G01S 7/524 (2006.01)

Patent

CA 2625683

Low probability of marine impact (LPMMI) sound signals have a modulation component selected to reduce a behavioral response from a marine mammal from that which would occur when transmitting another sound signal having approximately the same time duration component, approximately the same bandwidth component, and approximately the same center frequency component as the LPMMI waveform but having a modulation component comprising a frequency modulation.

Pour cette invention, on utilise des signaux sonores de type LPMMI (Low Probability of Marine Mammal Impact) comportant une composante de modulation choisie pour réduire la réaction comportementale d'un mammifère marin par rapport à ce qui se passerait si on émettait avec un autre signal sonore présentant approximativement les mêmes composantes de durée, de largeur de bande, et de fréquence centrale, mais avec une modulation de fréquence affectant la composante modulation.

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