Frontal sonar

Details Frontal sonar Frontal sonar

2007-05-15

2011-12-13

Pihulic, Daniel (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Side scanning or contour mapping sonar systems

Reexamination Certificate

active

08077549

ABSTRACT:
Frontal sonar for observing the seafloor, characterized in that it includes: elements for insonifying a seafloor area divided into M sectors, able to perform a characteristic insonification of each sector of the area during an operation recurrence of the sonar; and receiving elements including a physical antenna consisting of an array of K transducers, the antenna being lacunar and thus ambiguous, so that it defines N image lobes, and in that each of the characteristically insonified sector is associated with a single image lobe defined by the antenna, so that the antenna ambiguity is removed.

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International Search Report dated Nov. 7, 2007, from corresponding PCT application.

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