| 摘要 |
The invention concerns birds enabling to control navigation of a towed linear acoustic antenna. It consists in equipping said bird with a pair of horizontal wings (117, 118) and a pair of vertical wings (119, 120). Said wings are maintained horizontal and vertical by pendular oscillation of the bird about the antenna (105) whereon it is fixed, thereby uncoupling the action of the horizontal wings, which affect only immersion, and the vertical wings which bear only on the lateral misalignment. Thus the power consumption of the bird is reduced enabling thereby its being powered by internal batteries (10() and its being mounted on existing antennae.
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