| 摘要 |
PCT No. PCT/FR96/01504 Sec. 371 Date Jun. 12, 1997 Sec. 102(e) Date Jun. 12, 1997 PCT Filed Sep. 26, 1996 PCT Pub. No. WO97/11789 PCT Pub. Date Apr. 3, 1997The invention relates to the field of sonar antennas, in particular those intended to be installed on an underwater vehicle in order to constitute a mounted head of the vehicle. Specifically, the invention relates to a sonar antenna having at least two identical transducers that exhibit sensitivity peaks at at least two frequencies nu , and nu 2, wherein the head mass dimension of the transducers is between 0.35 and 0.65 times the wavelength lambda 2 corresponding to the higher of the frequencies nu 1 and nu 2.
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